question: public void test_niceErrors ( ) { final BTree btree = BTree . createTransient ( new IndexMetadata ( UUID . randomUUID ( ) ) ) ; try { btree . handleCommit ( System . currentTimeMillis ( ) ) ; } catch ( UnsupportedOperationException ex ) { if ( log . isInfoEnabled ( ) ) log . info ( "Ignoring expected exception: " + ex ) ; } try { btree . writeCheckpoint ( ) ; } catch ( UnsupportedOperationException ex ) { if ( log . isInfoEnabled ( ) ) log . info ( "Ignoring expected exception: " + ex ) ; } }
target:  Tests various methods that deal with persistence and makes sure that we have reasonable error messages.