Ruslan created LOG4J2-330:
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Summary: 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
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)
{quote}
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())
{quote}
I think it should be done in appender.
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