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cdc met nil pointer panic in owner scheduler #2980

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amyangfei opened this issue Oct 8, 2021 · 0 comments · Fixed by #4007
Closed

cdc met nil pointer panic in owner scheduler #2980

amyangfei opened this issue Oct 8, 2021 · 0 comments · Fixed by #4007
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@amyangfei
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amyangfei commented Oct 8, 2021

What did you do?

Run cdc with some truncate table DDLs

What did you expect to see?

No response

What did you see instead?

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x8 pc=0x2587b97]

goroutine 377 [running]:
github.com/pingcap/ticdc/cdc/owner.(*scheduler).cleanUpFinishedOperations.func1(0x0, 0x400, 0xc0118fa000, 0xc0109b1480, 0xc03b224000)
        github.com/pingcap/ticdc/cdc/owner/scheduler.go:304 +0x37
github.com/pingcap/ticdc/cdc/model.(*ChangefeedReactorState).PatchTaskStatus.func1(0x0, 0x0, 0x413ec2, 0xc01194d000, 0xf4f630f9, 0xe63b43a8a5dda94e, 0x3e)
        github.com/pingcap/ticdc/cdc/model/reactor_state.go:343 +0xa2
github.com/pingcap/ticdc/cdc/model.(*ChangefeedReactorState).patchAny.func1(0x0, 0x0, 0x0, 0x5f, 0x4c68200, 0x400, 0x1, 0x0, 0x0)
        github.com/pingcap/ticdc/cdc/model/reactor_state.go:389 +0x13a
github.com/pingcap/ticdc/pkg/orchestrator.(*SingleDataPatch).Patch(0xc00cf1e000, 0xc03b0c8390, 0xc03b0c83c0, 0x0, 0x0)
        github.com/pingcap/ticdc/pkg/orchestrator/interfaces.go:55 +0x82
github.com/pingcap/ticdc/pkg/orchestrator.(*EtcdWorker).applyPatches(0xc0001eec40, 0x7ff7f404bab8, 0xc0006220e0, 0xc04e0d8900, 0x9, 0x10, 0x0, 0x0)
        github.com/pingcap/ticdc/pkg/orchestrator/etcd_worker.go:248 +0xcc
github.com/pingcap/ticdc/pkg/orchestrator.(*EtcdWorker).applyPatchGroups(0xc0001eec40, 0x7ff7f404bab8, 0xc0006220e0, 0xc0317f7a00, 0x15, 0x15, 0x0, 0x1, 0x21, 0x31b5a60, ...)
        github.com/pingcap/ticdc/pkg/orchestrator/etcd_worker.go:235 +0xb4
github.com/pingcap/ticdc/pkg/orchestrator.(*EtcdWorker).Run(0xc0001eec40, 0x7ff7f404bab8, 0xc0006220e0, 0xc000718240, 0xbebc200, 0x0, 0x0)
        github.com/pingcap/ticdc/pkg/orchestrator/etcd_worker.go:146 +0x885
github.com/pingcap/ticdc/cdc/capture.(*Capture).runEtcdWorker(0xc0006d8400, 0x3222d78, 0xc0006220e0, 0x31b5e20, 0xc0006c1bc0, 0x31de9d0, 0xc000ca9e30, 0xbebc200, 0x0, 0x0)
        github.com/pingcap/ticdc/cdc/capture/capture.go:261 +0x135
github.com/pingcap/ticdc/cdc/capture.(*Capture).campaignOwner(0xc0006d8400, 0x3222d78, 0xc0006220e0, 0x40dc00, 0x31b73a0)
        github.com/pingcap/ticdc/cdc/capture/capture.go:240 +0x6b5
github.com/pingcap/ticdc/cdc/capture.(*Capture).run.func2(0xc000cb2060, 0xc0006d8400, 0x3222d78, 0xc0006220e0, 0xc000d60040)
        github.com/pingcap/ticdc/cdc/capture/capture.go:169 +0xb5
created by github.com/pingcap/ticdc/cdc/capture.(*Capture).run
        github.com/pingcap/ticdc/cdc/capture/capture.go:163 +0x29e

Versions of the cluster

Upstream TiDB cluster version (execute SELECT tidb_version(); in a MySQL client):

v5.1.1

TiCDC version (execute cdc version):

v5.1.1

@amyangfei amyangfei added the type/bug The issue is confirmed as a bug. label Oct 8, 2021
@AkiraXie AkiraXie added the area/ticdc Issues or PRs related to TiCDC. label Dec 6, 2021
@overvenus overvenus assigned maxshuang and unassigned liuzix Dec 7, 2021
@CharlesCheung96 CharlesCheung96 self-assigned this Dec 15, 2021
overvenus pushed a commit that referenced this issue Jan 18, 2022
* fix the txn_batch_size metric inaccuracy bug when the sink target is MQ

* address comments

* add comments for exported functions

* fix the compiling problem

* workerpool: limit the rate to output deadlock warning (#3775) (#3799)

* metrics: add changefeed checkepoint catch-up ETA (#3300) (#3311)

* pkg,cdc: do not use log package (#3902) (#3939)

* *: rename repo from pingcap/ticdc to pingcap/tiflow (#3957)

* kvclient(ticdc): fix kvclient takes too long time to recover (#3612) (#3662)

* tz (ticdc): fix timezone error (#3887) (#3910)

* http_*: add log for http api and refine the err handle logic (#2997) (#3306)

* ticdc/alert: add no owner alert rule (#3809) (#3831)

* etcd_worker: batch etcd patch (#3277) (#3393)

* ticdc/owner: Fix ddl special comment syntax error (#3845) (#3977)

* Clean old owner and old processor in release 5.2 branch (#4019)

* tests(ticdc): set up the sync diff output directory correctly (#3725) (#3745)

* owner,scheduler(cdc): fix nil pointer panic in owner scheduler (#2980) (#4007) (#4015)

* config(ticdc): Fix old value configuration check for maxwell protocol (#3747) (#3782)

* ticdc/processor: Fix backoff base delay misconfiguration (#3992) (#4027)

* sink(ticdc): cherry pick sink bug fix to release 5.2 (#4083) (#4119)

* metrics(ticdc): add resolved ts and add changefeed to dataflow (#4038) (#4103)

* kv(ticdc): reduce eventfeed rate limited log (#4072) (#4110)

close #4006

* This is an automated cherry-pick of #4192

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* http_api (ticdc): fix http api 'get processor' panic. (#4117) (#4122)

close #3840

* cdc/sink: adjust kafka initialization logic (#3192) (#3568)

* This is an automated cherry-pick of #3192

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* fix conflicts.

* This is an automated cherry-pick of #3682

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* fix import.

* fix failpoint path.

* try to fix initialize.

* remove table_sink.

* remove initialization.

* remove owner.

* fix mq.

Co-authored-by: Ling Jin <7138436+3AceShowHand@users.noreply.github.com>
Co-authored-by: 3AceShowHand <jinl1037@hotmail.com>

* sink (ticdc): fix a deadlock due to checkpointTs fall back in sinkNode (#4084) (#4098)

close #4055

* This is an automated cherry-pick of #4192

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* fix conflicts.

* fix conflicts.

* fix conflicts.

Co-authored-by: zhaoxinyu <zhaoxinyu512@gmail.com>
Co-authored-by: amyangfei <yangfei@pingcap.com>
Co-authored-by: dongmen <20351731+asddongmen@users.noreply.github.com>
Co-authored-by: Ling Jin <7138436+3AceShowHand@users.noreply.github.com>
Co-authored-by: 3AceShowHand <jinl1037@hotmail.com>
ti-chi-bot added a commit to ti-chi-bot/tiflow that referenced this issue Jan 18, 2022
…ngcap#4323)

* fix the txn_batch_size metric inaccuracy bug when the sink target is MQ

* address comments

* add comments for exported functions

* fix the compiling problem

* workerpool: limit the rate to output deadlock warning (pingcap#3775) (pingcap#3795)

* tests(ticdc): set up the sync diff output directory correctly (pingcap#3725) (pingcap#3741)

* relay(dm): use binlog name comparison (pingcap#3710) (pingcap#3712)

* dm/load: fix concurrent call Loader.Status (pingcap#3459) (pingcap#3468)

* cdc/sorter: make unified sorter cgroup aware (pingcap#3436) (pingcap#3439)

* tz (ticdc): fix timezone error (pingcap#3887) (pingcap#3906)

* pkg,cdc: do not use log package (pingcap#3902) (pingcap#3940)

* *: rename repo from pingcap/ticdc to pingcap/tiflow (pingcap#3959)

* http_*: add log for http api and refine the err handle logic (pingcap#2997) (pingcap#3307)

* etcd_worker: batch etcd patch (pingcap#3277) (pingcap#3389)

* http_api (ticdc): check --cert-allowed-cn before add server common name (pingcap#3628) (pingcap#3882)

* kvclient(ticdc): fix kvclient takes too long time to recover (pingcap#3612) (pingcap#3663)

* owner: fix owner tick block http request (pingcap#3490) (pingcap#3530)

* dm/syncer: use downstream PK/UK to generate DML (pingcap#3168) (pingcap#3256)

* dep(dm): update go-mysql (pingcap#3914) (pingcap#3934)

* dm/syncer: multiple rows use downstream schema (pingcap#3308) (pingcap#3953)

* errorutil,sink,syncer: add errorutil to handle ignorable error (pingcap#3264) (pingcap#3995)

* dm/worker: don't exit when failed to read checkpoint in relay (pingcap#3345) (pingcap#4005)

* syncer(dm): use an early location to reset binlog and open safemode (pingcap#3860)

* ticdc/owner: Fix ddl special comment syntax error (pingcap#3845) (pingcap#3978)

* dm/scheduler: fix inconsistent of relay status (pingcap#3474) (pingcap#4009)

* owner,scheduler(cdc): fix nil pointer panic in owner scheduler (pingcap#2980) (pingcap#4007) (pingcap#4016)

* config(ticdc): Fix old value configuration check for maxwell protocol (pingcap#3747) (pingcap#3783)

* sink(ticdc): cherry pick sink bug fix to release 5.3 (pingcap#4083)

* master(dm): clean and treat invalid load task (pingcap#4004) (pingcap#4145)

* loader: fix wrong progress in query-status for loader (pingcap#4093) (pingcap#4143)

close pingcap#3252

* ticdc/processor: Fix backoff base delay misconfiguration (pingcap#3992) (pingcap#4028)

* dm: load table structure from dump files (pingcap#3295) (pingcap#4163)

* compactor: fix duplicate entry in safemode (pingcap#3432) (pingcap#3434) (pingcap#4088)

* kv(ticdc): reduce eventfeed rate limited log (pingcap#4072) (pingcap#4111)

close pingcap#4006

* metrics(ticdc): add resolved ts and add changefeed to dataflow (pingcap#4038) (pingcap#4104)

* This is an automated cherry-pick of pingcap#4192

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* retry(dm): align with tidb latest error message (pingcap#4172) (pingcap#4254)

close pingcap#4159, close pingcap#4246

* owner(ticdc): Add bootstrap and try to fix the meta information in it (pingcap#3838) (pingcap#3865)

* redolog: add a precleanup process when s3 enable (pingcap#3525) (pingcap#3878)

* ddl(dm): make skipped ddl pass `SplitDDL()` (pingcap#4176) (pingcap#4227)

close pingcap#4173

* cdc/sink: remove Initialize method from the sink interface (pingcap#3682) (pingcap#3765)

Co-authored-by: Ling Jin <7138436+3AceShowHand@users.noreply.github.com>

* http_api (ticdc): fix http api 'get processor' panic. (pingcap#4117) (pingcap#4123)

close pingcap#3840

* sink (ticdc): fix a deadlock due to checkpointTs fall back in sinkNode (pingcap#4084) (pingcap#4099)

close pingcap#4055

* cdc/sink: adjust kafka initialization logic (pingcap#3192) (pingcap#4162)

* try fix conflicts.

* This is an automated cherry-pick of pingcap#4192

Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>

* fix conflicts.

* fix conflicts.

Co-authored-by: zhaoxinyu <zhaoxinyu512@gmail.com>
Co-authored-by: amyangfei <yangfei@pingcap.com>
Co-authored-by: lance6716 <lance6716@gmail.com>
Co-authored-by: sdojjy <sdojjy@qq.com>
Co-authored-by: Ling Jin <7138436+3AceShowHand@users.noreply.github.com>
Co-authored-by: 3AceShowHand <jinl1037@hotmail.com>
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