Tinylog

CHANGELOG.md

@@ -53,6 +53,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We trim white space and non-ASCII characters from DOI [#8127](https://github.com/JabRef/jabref/issues/8127)
 - The duplicate checker now inspects other fields in case no difference in the required and optional fields are found.
 - We reworked the library properties dialog and integrated the `Library > Preamble`, `Library > Citation key pattern` and `Library > String constants dialogs` [#8264](https://github.com/JabRef/jabref/pulls/8264)
+- We improved the startup time of JabRef by switching from the logging library `log4j2` to `tinylog` [#8007](https://github.com/JabRef/jabref/issues/8007)
 
 ### Fixed
 
@@ -80,13 +81,12 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed an issue where XMP and embedded BibTeX export would not work [#8278](https://github.com/JabRef/jabref/issues/8278)
 - We fixed an issue where the XMP and embedded BibTeX import of a file containing multiple schemas failed [#8278](https://github.com/JabRef/jabref/issues/8278)
 - We fixed an issue where pdf-paths and the pdf-indexer could get out of sync [#8182](https://github.com/JabRef/jabref/issues/8182)
-
+- We fixed an issue where Status-Logger error messages appeared during the startup of JabRef [#5475](https://github.com/JabRef/jabref/issues/5475)
 
 ### Removed
 
 - We removed two orphaned preferences options [#8164](https://github.com/JabRef/jabref/pull/8164)
-
-
+- We removed the functionality of the `--debug` commandline options. Use the java command line switch `-Dtinylog.level=debug` for debug output instead. [#8226](https://github.com/JabRef/jabref/pull/8226)
 
 
 

build.gradle

@@ -177,12 +177,9 @@ dependencies {
     implementation 'com.konghq:unirest-java:3.13.4'
 
     implementation 'org.slf4j:slf4j-api:2.0.0-alpha5'
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-jcl', version: '3.0.0-SNAPSHOT'
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-slf4j18-impl', version: '3.0.0-SNAPSHOT'
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-plugins', version: '3.0.0-SNAPSHOT'
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-api', version: '3.0.0-SNAPSHOT'
-    implementation group: 'org.apache.logging.log4j', name: 'log4j-core', version: '3.0.0-SNAPSHOT'
-    annotationProcessor group: 'org.apache.logging.log4j', name: 'log4j-core', version: '3.0.0-SNAPSHOT'
+    implementation "org.tinylog:tinylog-api:2.4.1"
+    implementation "org.tinylog:slf4j-tinylog:2.4.1"
+    implementation "org.tinylog:tinylog-impl:2.4.1"
 
     implementation 'de.undercouch:citeproc-java:3.0.0-alpha.3'
 
@@ -566,14 +563,9 @@ jlink {
         requires 'com.sun.xml.fastinfoset'
         requires 'com.sun.xml.txw2'
         requires 'org.slf4j'
-        uses 'org.apache.logging.log4j.util.PropertySource'
-        uses 'org.apache.logging.log4j.core.util.WatchEventService'
-        uses 'org.apache.logging.log4j.plugins.processor.PluginService'
         uses 'org.controlsfx.glyphfont.GlyphFont'
         uses 'com.airhacks.afterburner.views.ResourceLocator'
-        uses 'org.apache.logging.log4j.message.ThreadDumpMessage.ThreadInfoFactory'
         uses 'com.airhacks.afterburner.injection.PresenterFactory'
-        uses 'org.apache.logging.log4j.spi.Provider'
         uses 'org.mariadb.jdbc.credential.CredentialPlugin'
         uses 'org.mariadb.jdbc.authentication.AuthenticationPlugin'
         uses 'org.mariadb.jdbc.tls.TlsSocketPlugin'
@@ -582,16 +574,11 @@ jlink {
         uses 'org.eclipse.jgit.lib.GpgSigner'
         uses 'javax.xml.bind.JAXBContextFactory'
         provides 'org.apache.lucene.codecs.DocValuesFormat' with 'org.apache.lucene.codecs.lucene80.Lucene80DocValuesFormat'
-        provides 'javax.annotation.processing.Processor' with 'org.apache.logging.log4j.plugins.processor.PluginProcessor'
         provides 'org.controlsfx.glyphfont.GlyphFont' with 'org.controlsfx.glyphfont.FontAwesome'
-        provides 'org.apache.logging.log4j.message.ThreadDumpMessage.ThreadInfoFactory' with 'org.apache.logging.log4j.core.message.ExtendedThreadInfoFactory'
         provides 'org.mariadb.jdbc.tls.TlsSocketPlugin' with 'org.mariadb.jdbc.internal.protocol.tls.DefaultTlsSocketPlugin'
         provides 'com.microsoft.applicationinsights.core.dependencies.io.grpc.ServerProvider' with 'com.microsoft.applicationinsights.core.dependencies.io.grpc.netty.shaded.io.grpc.netty.NettyServerProvider'
         provides 'com.microsoft.applicationinsights.core.dependencies.io.grpc.NameResolverProvider' with 'com.microsoft.applicationinsights.core.dependencies.io.grpc.internal.DnsNameResolverProvider'
-        provides 'org.apache.logging.log4j.util.PropertySource' with 'org.apache.logging.log4j.util.EnvironmentPropertySource',
-                'org.apache.logging.log4j.util.SystemPropertiesPropertySource'
         provides 'java.sql.Driver' with 'org.postgresql.Driver'
-        provides 'org.apache.logging.log4j.plugins.processor.PluginService' with 'org.apache.logging.log4j.plugins.convert.plugins.Log4jPlugins'
         provides 'org.mariadb.jdbc.authentication.AuthenticationPlugin' with 'org.mariadb.jdbc.internal.com.send.authentication.CachingSha2PasswordPlugin',
                 'org.mariadb.jdbc.internal.com.send.authentication.ClearPasswordPlugin',
                 'org.mariadb.jdbc.internal.com.send.authentication.Ed25519PasswordPlugin',
@@ -603,8 +590,6 @@ jlink {
         provides 'org.mariadb.jdbc.credential.CredentialPlugin' with 'org.mariadb.jdbc.credential.aws.AwsIamCredentialPlugin',
                 'org.mariadb.jdbc.credential.env.EnvCredentialPlugin',
                 'org.mariadb.jdbc.credential.system.PropertiesCredentialPlugin'
-        provides 'org.slf4j.spi.SLF4JServiceProvider' with 'org.apache.logging.slf4j.SLF4JServiceProvider'
-        provides 'org.apache.logging.log4j.spi.Provider' with 'org.apache.logging.log4j.core.impl.Log4jProvider'
         provides 'java.security.Provider' with 'org.bouncycastle.jce.provider.BouncyCastleProvider',
                 'org.bouncycastle.pqc.jcajce.provider.BouncyCastlePQCProvider'
         provides 'com.microsoft.applicationinsights.core.dependencies.io.grpc.ManagedChannelProvider' with 'com.microsoft.applicationinsights.core.dependencies.io.grpc.netty.shaded.io.grpc.netty.NettyChannelProvider'

src/main/java/module-info.java

@@ -38,12 +38,15 @@
 
     // Logging
     requires org.slf4j;
-    requires org.apache.logging.log4j;
-    requires org.apache.logging.log4j.core;
-    requires org.apache.logging.log4j.plugins;
+    requires org.tinylog.api;
+    requires org.tinylog.api.slf4j;
+    requires org.tinylog.impl;
+
+    provides org.tinylog.writers.Writer
+    with org.jabref.gui.logging.GuiWriter,
+         org.jabref.gui.logging.ApplicationInsightsWriter;
+
     requires applicationinsights.logging.log4j2;
-    provides org.apache.logging.log4j.plugins.processor.PluginService
-            with org.jabref.gui.logging.plugins.Log4jPlugins;
 
     // Preferences and XML
     requires java.prefs;

src/main/java/org/jabref/cli/ArgumentProcessor.java

@@ -43,7 +43,6 @@
 import org.jabref.logic.importer.fileformat.BibtexParser;
 import org.jabref.logic.l10n.Localization;
 import org.jabref.logic.layout.LayoutFormatterPreferences;
-import org.jabref.logic.logging.JabRefLogger;
 import org.jabref.logic.net.URLDownload;
 import org.jabref.logic.search.DatabaseSearcher;
 import org.jabref.logic.search.SearchQuery;
@@ -181,7 +180,7 @@ public boolean hasParserResults() {
     private List<ParserResult> processArguments() {
 
         if (!cli.isBlank() && cli.isDebugLogging()) {
-            JabRefLogger.setDebug();
+            System.err.println("use java property -Dtinylog.level=debug");
         }
 
         if ((startupMode == Mode.INITIAL_START) && cli.isShowVersion()) {
@@ -229,7 +228,7 @@ private List<ParserResult> processArguments() {
             automaticallySetFileLinks(loaded);
         }
 
-        if (cli.isWriteXMPtoPdf() && cli.isEmbeddBibfileInPdf() || cli.isWriteMetadatatoPdf() && (cli.isWriteXMPtoPdf() || cli.isEmbeddBibfileInPdf())) {
+        if ((cli.isWriteXMPtoPdf() && cli.isEmbeddBibfileInPdf()) || (cli.isWriteMetadatatoPdf() && (cli.isWriteXMPtoPdf() || cli.isEmbeddBibfileInPdf()))) {
             System.err.println("Give only one of [writeXMPtoPdf, embeddBibfileInPdf, writeMetadatatoPdf]");
         }
 

src/main/java/org/jabref/gui/errorconsole/ErrorConsoleViewModel.java

@@ -24,7 +24,6 @@
 
 import com.tobiasdiez.easybind.EasyBind;
 import org.apache.http.client.utils.URIBuilder;
-import org.apache.logging.log4j.core.LogEvent;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

src/main/java/org/jabref/gui/errorconsole/LogEventViewModel.java

@@ -8,22 +8,22 @@
 import org.jabref.logic.util.OS;
 
 import com.google.common.base.Throwables;
-import org.apache.logging.log4j.core.LogEvent;
+import org.tinylog.core.LogEntry;
 
 public class LogEventViewModel {
 
-    private LogEvent logEvent;
+    private final LogEntry logEvent;
 
-    public LogEventViewModel(LogEvent logEvent) {
+    public LogEventViewModel(LogEntry logEvent) {
         this.logEvent = Objects.requireNonNull(logEvent);
     }
 
     public String getDisplayText() {
-        return logEvent.getMessage().getFormattedMessage();
+        return logEvent.getMessage();
     }
 
     public String getStyleClass() {
-        switch (logEvent.getLevel().getStandardLevel()) {
+        switch (logEvent.getLevel()) {
             case ERROR:
                 return "exception";
             case WARN:
@@ -35,7 +35,7 @@ public String getStyleClass() {
     }
 
     public JabRefIcon getIcon() {
-        switch (logEvent.getLevel().getStandardLevel()) {
+        switch (logEvent.getLevel()) {
             case ERROR:
                 return (IconTheme.JabRefIcons.INTEGRITY_FAIL);
             case WARN:
@@ -47,7 +47,7 @@ public JabRefIcon getIcon() {
     }
 
     public Optional<String> getStackTrace() {
-        return Optional.ofNullable(logEvent.getMessage().getThrowable()).map(Throwables::getStackTraceAsString);
+        return Optional.ofNullable(logEvent.getException()).map(Throwables::getStackTraceAsString);
     }
 
     public String getDetailedText() {

src/main/java/org/jabref/gui/logging/ApplicationInsightsLogEvent.java

@@ -1,7 +1,7 @@
 package org.jabref.gui.logging;
 
 /*
- * ApplicationInsights-Java
+ * ApplicationInsightsJava
  * Copyright (c) Microsoft Corporation
  * All rights reserved.
  *
@@ -23,42 +23,40 @@
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Map.Entry;
 
 import com.microsoft.applicationinsights.internal.common.ApplicationInsightsEvent;
 import com.microsoft.applicationinsights.internal.logger.InternalLogger;
 import com.microsoft.applicationinsights.telemetry.SeverityLevel;
-import org.apache.logging.log4j.core.LogEvent;
-import org.apache.logging.log4j.spi.StandardLevel;
+import org.tinylog.core.LogEntry;
 
 // TODO: Remove this copy as soon as the one included in AI is compatible with log4j 3
 public final class ApplicationInsightsLogEvent extends ApplicationInsightsEvent {
 
-    private LogEvent logEvent;
+    private final LogEntry logEvent;
 
-    public ApplicationInsightsLogEvent(LogEvent logEvent) {
+    public ApplicationInsightsLogEvent(LogEntry logEvent) {
         this.logEvent = logEvent;
     }
 
     @Override
     public String getMessage() {
-        String message = this.logEvent.getMessage() != null ?
-                this.logEvent.getMessage().getFormattedMessage() :
-                "Log4j Trace";
+        String message = this.logEvent.getMessage() != null ? this.logEvent.getMessage() : "Tinylog Trace";
 
         return message;
     }
 
     @Override
     public boolean isException() {
-        return this.logEvent.getThrown() != null;
+        return this.logEvent.getException() != null;
     }
 
     @Override
     public Exception getException() {
         Exception exception = null;
 
         if (isException()) {
-            Throwable throwable = this.logEvent.getThrown();
+            Throwable throwable = this.logEvent.getException();
             exception = throwable instanceof Exception ? (Exception) throwable : new Exception(throwable);
         }
 
@@ -68,29 +66,28 @@ public Exception getException() {
     @Override
     public Map<String, String> getCustomParameters() {
 
-        Map<String, String> metaData = new HashMap<String, String>();
+        Map<String, String> metaData = new HashMap<>();
 
-        metaData.put("SourceType", "Log4j");
+        metaData.put("SourceType", "slf4j");
 
-        addLogEventProperty("LoggerName", logEvent.getLoggerName(), metaData);
         addLogEventProperty("LoggingLevel", logEvent.getLevel() != null ? logEvent.getLevel().name() : null, metaData);
-        addLogEventProperty("ThreadName", logEvent.getThreadName(), metaData);
-        addLogEventProperty("TimeStamp", getFormattedDate(logEvent.getTimeMillis()), metaData);
+        addLogEventProperty("ThreadName", logEvent.getThread().getName(), metaData);
+        addLogEventProperty("TimeStamp", getFormattedDate(logEvent.getTimestamp().toInstant().toEpochMilli()), metaData);
 
         if (isException()) {
             addLogEventProperty("Logger Message", getMessage(), metaData);
-        }
 
-        if (logEvent.isIncludeLocation()) {
-            StackTraceElement stackTraceElement = logEvent.getSource();
+            for (StackTraceElement stackTraceElement : logEvent.getException().getStackTrace()) {
+
+                addLogEventProperty("ClassName", stackTraceElement.getClassName(), metaData);
+                addLogEventProperty("FileName", stackTraceElement.getFileName(), metaData);
+                addLogEventProperty("MethodName", stackTraceElement.getMethodName(), metaData);
+                addLogEventProperty("LineNumber", String.valueOf(stackTraceElement.getLineNumber()), metaData);
+            }
 
-            addLogEventProperty("ClassName", stackTraceElement.getClassName(), metaData);
-            addLogEventProperty("FileName", stackTraceElement.getFileName(), metaData);
-            addLogEventProperty("MethodName", stackTraceElement.getMethodName(), metaData);
-            addLogEventProperty("LineNumber", String.valueOf(stackTraceElement.getLineNumber()), metaData);
         }
 
-        for (Map.Entry<String, String> entry : logEvent.getContextData().toMap().entrySet()) {
+        for (Entry<String, String> entry : logEvent.getContext().entrySet()) {
             addLogEventProperty(entry.getKey(), entry.getValue(), metaData);
         }
 
@@ -102,28 +99,21 @@ public Map<String, String> getCustomParameters() {
 
     @Override
     public SeverityLevel getNormalizedSeverityLevel() {
-        int log4jLevelAsInt = logEvent.getLevel().intLevel();
+        org.tinylog.Level logEventLevel = logEvent.getLevel();
 
-        switch (StandardLevel.getStandardLevel(log4jLevelAsInt)) {
-            case FATAL:
-                return SeverityLevel.Critical;
+        switch (logEventLevel) {
 
             case ERROR:
                 return SeverityLevel.Error;
-
             case WARN:
                 return SeverityLevel.Warning;
-
             case INFO:
                 return SeverityLevel.Information;
-
             case TRACE:
             case DEBUG:
-            case ALL:
                 return SeverityLevel.Verbose;
-
             default:
-                InternalLogger.INSTANCE.error("Unknown Log4j v2 option, %d, using TRACE level as default", log4jLevelAsInt);
+                InternalLogger.INSTANCE.error("Unknown slf4joption, %d, using TRACE level as default", logEventLevel);
                 return SeverityLevel.Verbose;
         }
     }