where we are calling getException() and seeing a null value.
Because we access these without synchronization, we need to use volatile.

can throw OUT_OF_MEMORY error

so that it doesn't cause an exception on travis, although given the
exceptions it is catching, I can't see what it is trying to test

shows up as random failures in the TestMVStore.testFastDelete test case

Make it possible to create a cluster without using temporary files.

"Connection is broken: "unexpected status 16777216" [90067-192]" message when using older h2 releases as client

Instead use Java pipes.

remove extra tx preparation

Implement MetaData.getColumns() for synonyms.

Disable literals check if compiling gernerated query, since these may contain artificially generated literals.

change newInputStream to only consider protocols consisting of alphab…

need to take the TransactionStore RWLock before we synchronize on the
MVMap

Disallow BLOB type in PostgreSQL mode