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[MongoDB Persistence] Query exception: Can't serialize class java.time.ZonedDateTime #10574

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boomer41 opened this issue Apr 24, 2021 · 2 comments · Fixed by #10584
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bug An unexpected problem or unintended behavior of an add-on

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@boomer41
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Expected Behavior

Query should be successful and no exception should be thrown.

Current Behavior

When trying to access persisted data from MongoDB, the exception in the stacktrace (see attachments) is thrown. This reflects itself as a HTTP 500 Server error when trying to analyze items.
Persisting works fine, though.

Steps to Reproduce (for Bugs)

  1. Setup MongoDB as a persistence driver
  2. Use Mongo as default persistence provider
  3. Try to analyze an item

Context

I'm using one collection for all items (e. g. the "collection"-parameter is set to the string "data" as per the docs)

Your Environment

  • Version used: 3.0.2 (both core and mongodb-persistence)
  • Operating System and version: Official Docker image ("latest" amd64 as of 2021-04-24 19:53 CEST)
  • Mongo Server: MongoDB 4.4.2 Community, Docker image

Attachments

stacktrace.txt

@boomer41 boomer41 added the bug An unexpected problem or unintended behavior of an add-on label Apr 24, 2021
@boomer41
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FYI: Just fixed it on my own. PR will come soon.

boomer41 added a commit to boomer41/openhab-addons that referenced this issue Apr 26, 2021
Issues:
- Second should have been getEndDate, not getBeginDate
- Send a Date object as the other version wasn't serializable.
- EndDate would have overridden beginDate.

Fixes openhab#10574
boomer41 added a commit to boomer41/openhab-addons that referenced this issue Apr 26, 2021
Issues:
- Second should have been getEndDate, not getBeginDate
- Send a Date object as the other version wasn't serializable.
- EndDate would have overridden beginDate.

Fixes openhab#10574

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>
@boomer41
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See PR #10584

fwolter pushed a commit that referenced this issue May 9, 2021
* [MongoDB Persistence] Rename connectToDatabase to tryConnectToDatabase.

Currently, the implementation throws a RuntimeException.
This fails horribly in query() and store(), because the exception is never caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix JavaDoc

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix Bundle name

The correct database name is "MongoDB" without a space.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Also check for connection validity in isConnected()

When the connection was established successfully once, and the server goes down (e. g. a restart of the DB server), the connection still seems to be OK.
This would throw an exception later on, which is not caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database before reconnecting to database.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database when connection procedure fails.

When, for example, the creation of the index fails (disk full, ...), the connection is still there, but the collection isn't created with it's appropriate indices.
Thus, disconnect when the procedure fails to ensure no database connection remains valid.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix logic

Create the shared collection with its indices when collectionPerItem is disabled, not enabled.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Access database via getDatabase()

Preparation for synchronization.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove global mongoCollection variable.

This allows to easify implementing necessary multithreading locks.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Codestyle improvements.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Move isConnected-Check into tryConnectToDatabase.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Synchronize all connection handling methods.

Though the MongoDB driver is thread-safe, we still need to synchronize connection establishment/closing/...

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove all unnecessary @NonNullByDefault attributes.

The given attributes should not be NotNullByDefault, because some may be null, too.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove duplicate logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Test the db connection after creating the MongoClient.

The mongo always succeeds in creating the connection.
We have to actually force it to test the connection to try to connect to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix date query.

Issues:
- Second should have been getEndDate, not getBeginDate
- Send a Date object as the other version wasn't serializable.
- EndDate would have overridden beginDate.

Fixes #10574

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add debug log for MongoDB query sent to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Reorder index on collections.

The order (Item, Timestamp) makes much more sense and should be better for performance.
All queries are always done with an item, and the dates are optional.
Also, the database server can now execute a range query for the date.

Existing indices are not dropped for backwards compatibility with other systems analyzing the data.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @author JavaDoc as per developer guidelines.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Improve logging

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @NonNullByDefault

This was removed in 1f8e452 by mistake.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Do not use isConnected() to test the connection.

The new method throws the real underlying exception instead of a generic one. This allows for detailed logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove useless @inheritdoc as per code analysis tool.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>
themillhousegroup pushed a commit to themillhousegroup/openhab2-addons that referenced this issue May 10, 2021
…#10584)

* [MongoDB Persistence] Rename connectToDatabase to tryConnectToDatabase.

Currently, the implementation throws a RuntimeException.
This fails horribly in query() and store(), because the exception is never caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix JavaDoc

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix Bundle name

The correct database name is "MongoDB" without a space.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Also check for connection validity in isConnected()

When the connection was established successfully once, and the server goes down (e. g. a restart of the DB server), the connection still seems to be OK.
This would throw an exception later on, which is not caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database before reconnecting to database.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database when connection procedure fails.

When, for example, the creation of the index fails (disk full, ...), the connection is still there, but the collection isn't created with it's appropriate indices.
Thus, disconnect when the procedure fails to ensure no database connection remains valid.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix logic

Create the shared collection with its indices when collectionPerItem is disabled, not enabled.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Access database via getDatabase()

Preparation for synchronization.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove global mongoCollection variable.

This allows to easify implementing necessary multithreading locks.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Codestyle improvements.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Move isConnected-Check into tryConnectToDatabase.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Synchronize all connection handling methods.

Though the MongoDB driver is thread-safe, we still need to synchronize connection establishment/closing/...

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove all unnecessary @NonNullByDefault attributes.

The given attributes should not be NotNullByDefault, because some may be null, too.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove duplicate logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Test the db connection after creating the MongoClient.

The mongo always succeeds in creating the connection.
We have to actually force it to test the connection to try to connect to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix date query.

Issues:
- Second should have been getEndDate, not getBeginDate
- Send a Date object as the other version wasn't serializable.
- EndDate would have overridden beginDate.

Fixes openhab#10574

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add debug log for MongoDB query sent to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Reorder index on collections.

The order (Item, Timestamp) makes much more sense and should be better for performance.
All queries are always done with an item, and the dates are optional.
Also, the database server can now execute a range query for the date.

Existing indices are not dropped for backwards compatibility with other systems analyzing the data.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @author JavaDoc as per developer guidelines.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Improve logging

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @NonNullByDefault

This was removed in 1f8e452 by mistake.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Do not use isConnected() to test the connection.

The new method throws the real underlying exception instead of a generic one. This allows for detailed logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove useless @inheritdoc as per code analysis tool.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>
Signed-off-by: John Marshall <john.marshall.au@gmail.com>
computergeek1507 pushed a commit to computergeek1507/openhab-addons that referenced this issue Jul 13, 2021
…#10584)

* [MongoDB Persistence] Rename connectToDatabase to tryConnectToDatabase.

Currently, the implementation throws a RuntimeException.
This fails horribly in query() and store(), because the exception is never caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix JavaDoc

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix Bundle name

The correct database name is "MongoDB" without a space.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Also check for connection validity in isConnected()

When the connection was established successfully once, and the server goes down (e. g. a restart of the DB server), the connection still seems to be OK.
This would throw an exception later on, which is not caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database before reconnecting to database.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database when connection procedure fails.

When, for example, the creation of the index fails (disk full, ...), the connection is still there, but the collection isn't created with it's appropriate indices.
Thus, disconnect when the procedure fails to ensure no database connection remains valid.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix logic

Create the shared collection with its indices when collectionPerItem is disabled, not enabled.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Access database via getDatabase()

Preparation for synchronization.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove global mongoCollection variable.

This allows to easify implementing necessary multithreading locks.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Codestyle improvements.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Move isConnected-Check into tryConnectToDatabase.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Synchronize all connection handling methods.

Though the MongoDB driver is thread-safe, we still need to synchronize connection establishment/closing/...

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove all unnecessary @NonNullByDefault attributes.

The given attributes should not be NotNullByDefault, because some may be null, too.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove duplicate logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Test the db connection after creating the MongoClient.

The mongo always succeeds in creating the connection.
We have to actually force it to test the connection to try to connect to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix date query.

Issues:
- Second should have been getEndDate, not getBeginDate
- Send a Date object as the other version wasn't serializable.
- EndDate would have overridden beginDate.

Fixes openhab#10574

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add debug log for MongoDB query sent to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Reorder index on collections.

The order (Item, Timestamp) makes much more sense and should be better for performance.
All queries are always done with an item, and the dates are optional.
Also, the database server can now execute a range query for the date.

Existing indices are not dropped for backwards compatibility with other systems analyzing the data.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @author JavaDoc as per developer guidelines.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Improve logging

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @NonNullByDefault

This was removed in 1f8e452 by mistake.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Do not use isConnected() to test the connection.

The new method throws the real underlying exception instead of a generic one. This allows for detailed logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove useless @inheritdoc as per code analysis tool.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>
frederictobiasc pushed a commit to frederictobiasc/openhab-addons that referenced this issue Oct 26, 2021
…#10584)

* [MongoDB Persistence] Rename connectToDatabase to tryConnectToDatabase.

Currently, the implementation throws a RuntimeException.
This fails horribly in query() and store(), because the exception is never caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix JavaDoc

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix Bundle name

The correct database name is "MongoDB" without a space.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Also check for connection validity in isConnected()

When the connection was established successfully once, and the server goes down (e. g. a restart of the DB server), the connection still seems to be OK.
This would throw an exception later on, which is not caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database before reconnecting to database.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database when connection procedure fails.

When, for example, the creation of the index fails (disk full, ...), the connection is still there, but the collection isn't created with it's appropriate indices.
Thus, disconnect when the procedure fails to ensure no database connection remains valid.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix logic

Create the shared collection with its indices when collectionPerItem is disabled, not enabled.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Access database via getDatabase()

Preparation for synchronization.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove global mongoCollection variable.

This allows to easify implementing necessary multithreading locks.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Codestyle improvements.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Move isConnected-Check into tryConnectToDatabase.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Synchronize all connection handling methods.

Though the MongoDB driver is thread-safe, we still need to synchronize connection establishment/closing/...

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove all unnecessary @NonNullByDefault attributes.

The given attributes should not be NotNullByDefault, because some may be null, too.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove duplicate logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Test the db connection after creating the MongoClient.

The mongo always succeeds in creating the connection.
We have to actually force it to test the connection to try to connect to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix date query.

Issues:
- Second should have been getEndDate, not getBeginDate
- Send a Date object as the other version wasn't serializable.
- EndDate would have overridden beginDate.

Fixes openhab#10574

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add debug log for MongoDB query sent to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Reorder index on collections.

The order (Item, Timestamp) makes much more sense and should be better for performance.
All queries are always done with an item, and the dates are optional.
Also, the database server can now execute a range query for the date.

Existing indices are not dropped for backwards compatibility with other systems analyzing the data.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @author JavaDoc as per developer guidelines.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Improve logging

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @NonNullByDefault

This was removed in 1f8e452 by mistake.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Do not use isConnected() to test the connection.

The new method throws the real underlying exception instead of a generic one. This allows for detailed logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove useless @inheritdoc as per code analysis tool.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>
thinkingstone pushed a commit to thinkingstone/openhab-addons that referenced this issue Nov 7, 2021
…#10584)

* [MongoDB Persistence] Rename connectToDatabase to tryConnectToDatabase.

Currently, the implementation throws a RuntimeException.
This fails horribly in query() and store(), because the exception is never caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix JavaDoc

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix Bundle name

The correct database name is "MongoDB" without a space.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Also check for connection validity in isConnected()

When the connection was established successfully once, and the server goes down (e. g. a restart of the DB server), the connection still seems to be OK.
This would throw an exception later on, which is not caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database before reconnecting to database.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database when connection procedure fails.

When, for example, the creation of the index fails (disk full, ...), the connection is still there, but the collection isn't created with it's appropriate indices.
Thus, disconnect when the procedure fails to ensure no database connection remains valid.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix logic

Create the shared collection with its indices when collectionPerItem is disabled, not enabled.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Access database via getDatabase()

Preparation for synchronization.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove global mongoCollection variable.

This allows to easify implementing necessary multithreading locks.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Codestyle improvements.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Move isConnected-Check into tryConnectToDatabase.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Synchronize all connection handling methods.

Though the MongoDB driver is thread-safe, we still need to synchronize connection establishment/closing/...

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove all unnecessary @NonNullByDefault attributes.

The given attributes should not be NotNullByDefault, because some may be null, too.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove duplicate logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Test the db connection after creating the MongoClient.

The mongo always succeeds in creating the connection.
We have to actually force it to test the connection to try to connect to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix date query.

Issues:
- Second should have been getEndDate, not getBeginDate
- Send a Date object as the other version wasn't serializable.
- EndDate would have overridden beginDate.

Fixes openhab#10574

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add debug log for MongoDB query sent to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Reorder index on collections.

The order (Item, Timestamp) makes much more sense and should be better for performance.
All queries are always done with an item, and the dates are optional.
Also, the database server can now execute a range query for the date.

Existing indices are not dropped for backwards compatibility with other systems analyzing the data.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @author JavaDoc as per developer guidelines.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Improve logging

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @NonNullByDefault

This was removed in 1f8e452 by mistake.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Do not use isConnected() to test the connection.

The new method throws the real underlying exception instead of a generic one. This allows for detailed logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove useless @inheritdoc as per code analysis tool.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>
marcfischerboschio pushed a commit to bosch-io/openhab-addons that referenced this issue May 5, 2022
…#10584)

* [MongoDB Persistence] Rename connectToDatabase to tryConnectToDatabase.

Currently, the implementation throws a RuntimeException.
This fails horribly in query() and store(), because the exception is never caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix JavaDoc

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix Bundle name

The correct database name is "MongoDB" without a space.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Also check for connection validity in isConnected()

When the connection was established successfully once, and the server goes down (e. g. a restart of the DB server), the connection still seems to be OK.
This would throw an exception later on, which is not caught and connection reestablishment won't happen.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database before reconnecting to database.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Disconnect from database when connection procedure fails.

When, for example, the creation of the index fails (disk full, ...), the connection is still there, but the collection isn't created with it's appropriate indices.
Thus, disconnect when the procedure fails to ensure no database connection remains valid.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix logic

Create the shared collection with its indices when collectionPerItem is disabled, not enabled.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Access database via getDatabase()

Preparation for synchronization.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove global mongoCollection variable.

This allows to easify implementing necessary multithreading locks.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Codestyle improvements.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Move isConnected-Check into tryConnectToDatabase.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Synchronize all connection handling methods.

Though the MongoDB driver is thread-safe, we still need to synchronize connection establishment/closing/...

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove all unnecessary @NonNullByDefault attributes.

The given attributes should not be NotNullByDefault, because some may be null, too.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove duplicate logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Test the db connection after creating the MongoClient.

The mongo always succeeds in creating the connection.
We have to actually force it to test the connection to try to connect to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Fix date query.

Issues:
- Second should have been getEndDate, not getBeginDate
- Send a Date object as the other version wasn't serializable.
- EndDate would have overridden beginDate.

Fixes openhab#10574

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add debug log for MongoDB query sent to the server.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Reorder index on collections.

The order (Item, Timestamp) makes much more sense and should be better for performance.
All queries are always done with an item, and the dates are optional.
Also, the database server can now execute a range query for the date.

Existing indices are not dropped for backwards compatibility with other systems analyzing the data.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @author JavaDoc as per developer guidelines.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Improve logging

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Add @NonNullByDefault

This was removed in 1f8e452 by mistake.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Do not use isConnected() to test the connection.

The new method throws the real underlying exception instead of a generic one. This allows for detailed logging.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>

* [MongoDB Persistence] Remove useless @inheritdoc as per code analysis tool.

Signed-off-by: Stephan Brunner <s.brunner@stephan-brunner.net>
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