How do I stop stacktraces truncating in logs

java exception stack-trace
SCdF picture SCdF · Jan 13, 2009 · Viewed 32k times · Source

Lots of times in Java logs I'll get something like:

Caused by: java.sql.BatchUpdateException: failed batch
    at org.hsqldb.jdbc.jdbcStatement.executeBatch(jdbcStatement.java:1102)
    at org.hsqldb.jdbc.jdbcPreparedStatement.executeBatch(jdbcPreparedStatement.java:514)
    at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:48)
    at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
    ... 113 more

Does anyone know how to get the full stacktrace showing (i.e. show the other 113 lines)?

The JavaDocs (for Java 7) for Throwable have a pretty detailed explanation of what's going on.

Answer

Cowan picture Cowan · Jan 13, 2009

When you see '...113 more', that means that the remaining lines of the 'caused by' exception are identical to the remaining lines from that point on of the parent exception.

For example, you'll have

com.something.XyzException
  at ...
  at ...
  at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:242)
  at ... <the other 113 lines are here>...
Caused by: <the above>.

The two stack traces 'meet' at AbstractBatcher.executeBatch, line 242, and then from then on the upward call trace is the same as the wrapping exception.

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