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Posted to log4j-dev@logging.apache.org by "Poorna Subhash P (JIRA)" <ji...@apache.org> on 2013/09/18 08:04:54 UTC
[jira] [Commented] (LOG4J2-330) NoSQLAppender cannot insert log
event to MongoDB
[ https://issues.apache.org/jira/browse/LOG4J2-330?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13770472#comment-13770472 ]
Poorna Subhash P commented on LOG4J2-330:
-----------------------------------------
I checked it in 2.0.0-beta2, it is still not working.Below is the stacktrace.
java.lang.IllegalArgumentException: can't serialize class org.apache.logging.log4j.Level
at org.bson.BasicBSONEncoder._putObjectField(BasicBSONEncoder.java:270)
at org.bson.BasicBSONEncoder.putObject(BasicBSONEncoder.java:174)
at org.bson.BasicBSONEncoder.putObject(BasicBSONEncoder.java:120)
at com.mongodb.DefaultDBEncoder.writeObject(DefaultDBEncoder.java:27)
at com.mongodb.OutMessage.putObject(OutMessage.java:289)
at com.mongodb.DBApiLayer$MyCollection.insert(DBApiLayer.java:239)
at com.mongodb.DBApiLayer$MyCollection.insert(DBApiLayer.java:204)
at com.mongodb.DBCollection.insert(DBCollection.java:148)
at com.mongodb.DBCollection.insert(DBCollection.java:91)
I have looked at the class MongoDBConnection.java. Updated code only has decodeHook registered, not the encodeHook. Hence encoding is still failing.
> NoSQLAppender cannot insert log event to MongoDB
> ------------------------------------------------
>
> Key: LOG4J2-330
> URL: https://issues.apache.org/jira/browse/LOG4J2-330
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.0-beta8
> Environment: JDK 1.7, Mongo Driver 2.11.2
> Reporter: Ruslan
> Assignee: Nick Williams
> Fix For: 2.0-beta9
>
>
> Seems like NoSQLAppender can't insert any log events to Mongo due to lack of serializer for Level enum.
> {quote}
> 2013-07-31 18:19:27,831 ERROR An exception occurred processing Appender databaseAppender java.lang.IllegalArgumentException: can't serialize class org.apache.logging.log4j.Level
> at org.bson.BasicBSONEncoder._putObjectField(BasicBSONEncoder.java:270)
> at org.bson.BasicBSONEncoder.putObject(BasicBSONEncoder.java:174)
> at org.bson.BasicBSONEncoder.putObject(BasicBSONEncoder.java:120)
> at com.mongodb.DefaultDBEncoder.writeObject(DefaultDBEncoder.java:27)
> at com.mongodb.OutMessage.putObject(OutMessage.java:289)
> at com.mongodb.DBApiLayer$MyCollection.insert(DBApiLayer.java:239)
> at com.mongodb.DBApiLayer$MyCollection.insert(DBApiLayer.java:204)
> at com.mongodb.DBCollection.insert(DBCollection.java:148)
> at com.mongodb.DBCollection.insert(DBCollection.java:91)
> at org.apache.logging.log4j.core.appender.db.nosql.mongo.MongoDBConnection.insertObject(MongoDBConnection.java:61)
> {quote}
> Here is my config
> {quote}
> <configuration status="WARN">
> <appenders>
> <NoSql name="databaseAppender" suppressExceptions="true">
> <MongoDb collectionName="applicationLog" factoryClassName="com.borsch.DBManager" factoryMethodName="getNewMongoClient" writeConcernConstant="NONE" username="root" password="qwe"/>
> </NoSql>
> </appenders>
> <loggers>
> <root level="error">
> <appender-ref ref="databaseAppender"/>
> </root>
> </loggers>
> </configuration>
> {quote}
> For now I used following workaround (code is in Scala)
> {code}
> class LevelBSONEncoder extends org.bson.Transformer {
> def transform(o: Any): AnyRef =
> o match { case level: org.apache.logging.log4j.Level => new java.lang.Integer(level.intLevel()) }
> }
> // which is used like this
> org.bson.BSON.addEncodingHook(org.apache.logging.log4j.Level.ERROR.getClass, new LevelBSONEncoder())
> {code}
> I think it should be done in appender.
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