https://github.com/mongodb/mongo-java-driver/blob/master/src/main/com/mongodb/DB.java
That also shows an import for org.bson.BSONObject, but the tests still run with just DB and no MongoException. org.bson is in the org.mongodb:mongo-java-driver JAR file. So, no, that's not the problem. There's something else... Nick On Aug 16, 2013, at 11:20 PM, Ralph Goers wrote: > https://github.com/mongodb/mongo-java-driver/blob/master/src/main/com/mongodb/MongoException.java > shows an import for org.bson.BSONObject. The pom.xml for mongo-java-driver > doesn't contain a transitive dependency for that and mvn dependency:tree on > core doesn't show it. > > Ralph > > > On Aug 16, 2013, at 3:48 PM, Nick Williams wrote: > >> Guys, I'm having a hard time with this simple fix that should have taken >> five minutes. I'm getting test failures due to NoClassDefFoundErrors that >> shouldn't happen. >> >> Here are the tests in error: >> CategoryTest.setupClass:52 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testTraceWithException:415 ? NoClassDefFound >> com/mongodb/MongoExcep... >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testLog:459 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testRB1:295 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testRB2:314 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testRB3:334 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testTrace:388 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testAdditivity1:119 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testAdditivity2:144 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testAdditivity3:183 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testIsTraceEnabled:443 ? NoClassDefFound >> com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.testExists:355 ? NoClassDefFound com/mongodb/MongoException >> LoggerTest.tearDown:75 ? NoClassDefFound com/mongodb/MongoException >> LoggingTest.setupClass:44 ? NoClassDefFound com/mongodb/MongoException >> LoggingTest.cleanupClass:49 NullPointer >> >> Here's the code I added: >> >> try { >> if (!database.authenticate(username, >> password.toCharArray())) { >> LOGGER.error("Failed to authenticate against MongoDB >> server. Unknown error."); >> } >> } catch (MongoException e) { >> LOGGER.error("Failed to authenticate against MongoDB: " >> + e.getMessage(), e); >> } catch (IllegalStateException e) { >> LOGGER.error("Factory-supplied MongoDB database >> connection already authenticated with different" + >> "credentials but lost connection."); >> } >> >> Problem is, "database" is an instance of com.mongodb.DB, which is in the >> same JAR as com.mongodb.MongoException. If I remove this code, the tests >> pass. How is this possible? The DB instance is there with or without this >> new code, which means the JAR is on the classpath, which means >> MongoException should be on the classpath. >> >> Very confused... >> >> Nick >> >> On Aug 16, 2013, at 5:13 PM, Gary Gregory wrote: >> >>> Thank you for the update Nick! >>> :) >>> Gary >>> >>> >>> On Fri, Aug 16, 2013 at 5:39 PM, Nick Williams >>> <nicho...@nicholaswilliams.net> wrote: >>> Answers inline. >>> >>> On Aug 14, 2013, at 2:10 AM, YuCheng Ting wrote: >>> >>>> Hi all, >>>> >>>> I use beta8 log4j2 and wrote log4j2.xml like example in document >>>> (http://logging.apache.org/log4j/2.x/manual/appenders.html#NoSQLAppender ): >>>> >>>> >>>> <appenders> >>>> <NoSql name="databaseAppender"> >>>> <MongoDb databaseName="applicationDb" >>>> collectionName="applicationLog" >>>> server="mongo.example.org" >>>> username="loggingUser" password="abc123" /> >>>> </NoSql> >>>> </appenders> >>> >>> Yep. That's correct. >>> >>>> but I get the two exception: >>>> >>>> 1, "can't serialize class org.apache.logging.log4j.Level" exception in >>>> (BasicBSONEncoder.java:270), I read the code and add follow code in my >>>> project before logging, it gone. >>>> >>>> BSON.addEncodingHook(org.apache.logging.log4j.Level.class, new >>>> Transformer() { >>>> @Override >>>> public Object transform(Object o) { >>>> return o.toString(); >>>> } >>>> }); >>> >>> This bug was reported and fixed a few weeks ago. The fix will be in the >>> next version, or you can compile locally. >>> https://issues.apache.org/jira/browse/LOG4J2-330 >>> >>>> 2, “not authorized for insert test.log”, because my MongoDB need auth to >>>> write, but the the "username" and "password" attributes in log4j2.xml is >>>> nearly useless, after I read source code, found it NOT auth in >>>> >>>> org.apache.logging.log4j.core.appender.db.nosql.mongo.MongoDBProvider.createNoSQLProvider >>>> source code line 181 after check username and password and >>>> com.mongodb.DB.authenticate never be called. >>> >>> This is a bug. I'm reporting it and fixing it now. The fix will be in the >>> next version, or you can compile locally (after I get the change committed, >>> of course). >>> >>>> so I change log4j2.xml : >>>> >>>> <NoSql name="mongodb"> >>>> <MongoDb collectionName="log" databaseName="test" >>>> factoryClassName="com.yuchs.test.log4j.MainTest" >>>> factoryMethodName="getMongoClient" /> >>>> </NoSql> >>>> >>>> and create MongoClient and call com.mongodb.DB.authenticate method in >>>> com.yuchs.test.log4j.MainTest.getMongoClient. >>>> >>>> >>>> This is my question: >>>> >>>> 1, Why not add BSON.addEncodingHook code into log4j2 project to avoid >>>> basic exception ? or another rule of method I don't know ? >>>> >>>> 2, Why not auth DB in log4j2 project if password and username is set in >>>> log4j2.xml ? or another rule of method I don't know ? >>>> >>>> Thanks everyone! >>>> >>> >>> >>> >>> >>> -- >>> E-Mail: garydgreg...@gmail.com | ggreg...@apache.org >>> Java Persistence with Hibernate, Second Edition >>> JUnit in Action, Second Edition >>> Spring Batch in Action >>> Blog: http://garygregory.wordpress.com >>> Home: http://garygregory.com/ >>> Tweet! http://twitter.com/GaryGregory >> >