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From Andy Srine <andy.sr...@gmail.com>
Subject Fwd: Class invariant violation
Date Thu, 20 Mar 2014 00:47:18 GMT
Hi Guys,


I am new to SQOOP and am stuck at the 5 minute demo. This is with
sqoop-1.99.3-bin-hadoop200 on a mac. The error I see is in the
catalina.out. I searched the web and the workaround suggested
("org.apache.catalina.loader.WebappClassLoader.ENABLE_CLEAR_REFERENCES =
false") doesn't seem to help. The sqoop.log has no errors, but says
"shutting down". Any ideas?


SQOOP.LOG

---------

2014-03-18 18:25:04,796 INFO  framework.FrameworkManager
[org.apache.sqoop.framework.FrameworkManager.initialize(FrameworkManager.java:159)]
Submission manager initialized: OK

2014-03-18 18:25:04,807 INFO  mapreduce.MapreduceSubmissionEngine
[org.apache.sqoop.submission.mapreduce.MapreduceSubmissionEngine.initialize(MapreduceSubmissionEngine.java:75)]
Initializing Map-reduce Submission Engine

2014-03-18 18:25:04,846 INFO  core.SqoopServer
[org.apache.sqoop.core.SqoopServer.destroy(SqoopServer.java:35)] Shutting
down Sqoop server


CATALINA.OUT

------------

Mar 18, 2014 6:25:04 PM org.apache.catalina.core.StandardContext start

SEVERE: Error listenerStart

Mar 18, 2014 6:25:04 PM org.apache.catalina.core.StandardContext start

SEVERE: Context [/sqoop] startup failed due to previous errors

Mar 18, 2014 6:25:04 PM org.apache.catalina.loader.WebappClassLoader
clearReferencesJdbc

SEVERE: The web application [/sqoop] registered the JDBC driver
[org.apache.derby.jdbc.AutoloadedDriver40] but failed to unregister it when
the web application was stopped. To prevent a memory leak, the JDBC Driver
has been forcibly unregistered.

Mar 18, 2014 6:25:04 PM org.apache.catalina.loader.WebappClassLoader
clearReferencesThreads

SEVERE: The web application [/sqoop] appears to have started a thread named
[sqoop-config-file-poller] but has failed to stop it. This is very likely
to create a memory leak.

Mar 18, 2014 6:25:04 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks

SEVERE: The web application [/sqoop] created a ThreadLocal with key of type
[java.lang.ThreadLocal] (value [java.lang.ThreadLocal@7b24c107]) and a
value of type [org.apache.derby.iapi.services.context.ContextManager]
(value [org.apache.derby.iapi.services.context.ContextManager@63c39669])
but failed to remove it when the web application was stopped. This is very
likely to create a memory leak.

Mar 18, 2014 6:25:04 PM org.apache.catalina.loader.WebappClassLoader
checkThreadLocalMapForLeaks

SEVERE: The web application [/sqoop] created a ThreadLocal with key of type
[java.lang.ThreadLocal] (val

ue [java.lang.ThreadLocal@7b24c107]) and a value of type
[org.apache.derby.iapi.services.context.Context

Manager] (value
[org.apache.derby.iapi.services.context.ContextManager@2887d605]) but
failed to remove i

t when the web application was stopped. This is very likely to create a
memory leak.

log4j: log4j called after unloading, see
http://logging.apache.org/log4j/1.2/faq.html#unload.

java.lang.IllegalStateException: Class invariant violation

        at
org.apache.log4j.LogManager.getLoggerRepository(LogManager.java:199)

        at org.apache.log4j.LogManager.getLogger(LogManager.java:228)

        at org.apache.log4j.Logger.getLogger(Logger.java:117)

        at
org.apache.sqoop.connector.jdbc.GenericJdbcImportInitializer.<clinit>(GenericJdbcImportInitializer.java:42)

        at sun.misc.Unsafe.ensureClassInitialized



Thanks,

Andy

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