Gary Gregory created LOG4J2-2612:
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Summary: NullPointerException at
org.apache.logging.log4j.core.appender.db.jdbc.JdbcDatabaseManager.writeInternal(JdbcDatabaseManager.java:803)
Key: LOG4J2-2612
URL: https://issues.apache.org/jira/browse/LOG4J2-2612
Project: Log4j 2
Issue Type: Bug
Components: Core
Affects Versions: 2.11.2
Reporter: Gary Gregory
Assignee: Gary Gregory
A NullPointerException can be thrown at
org.apache.logging.log4j.core.appender.db.jdbc.JdbcDatabaseManager.writeInternal(JdbcDatabaseManager.java:803)
This seems to happen if writeInternal() runs at the same time as either a
reconnect or the appender shutting down.
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2019-05-21 19:16:36,913 qtp546045276-4680 ERROR An exception occurred
processing Appender JDBC-Response
org.apache.logging.log4j.core.appender.AppenderLoggingException: Unable to
write to database in appender: null
at
org.apache.logging.log4j.core.appender.db.AbstractDatabaseAppender.append(AbstractDatabaseAppender.java:118)
at
org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:156)
at
org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:129)
at
org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:120)
at
org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:84)
at
org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:464)
at
org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:448)
at
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:431)
at
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:406)
at
org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:63)
at org.apache.logging.log4j.core.Logger.logMessage(Logger.java:146)
at
org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2170)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2125)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2108)
at
org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1827)
at
org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1281)
<SNIP/>
Caused by: java.lang.NullPointerException
at
org.apache.logging.log4j.core.appender.db.jdbc.JdbcDatabaseManager.writeInternal(JdbcDatabaseManager.java:803)
at
org.apache.logging.log4j.core.appender.db.jdbc.JdbcDatabaseManager.writeThrough(JdbcDatabaseManager.java:823)
at
org.apache.logging.log4j.core.appender.db.AbstractDatabaseManager.write(AbstractDatabaseManager.java:264)
at
org.apache.logging.log4j.core.appender.db.AbstractDatabaseAppender.append(AbstractDatabaseAppender.java:110)
... 45 more
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