Caused by: java.lang.IllegalStateException: There are 65535 open transactions [1.4.191/102]
	at org.h2.mvstore.DataUtils.newIllegalStateException(DataUtils.java:773)
	at org.h2.mvstore.db.TransactionStore.begin(TransactionStore.java:236)

try {
      // Prerequisite is to have a node with an open scoped lock on:
      String validNodeId = "0afaaa3a-b751-4624-b51e-43db07c164c0";
      String nodeOpenScopedLockToken = "4f5384fc-8fcf-40f6-b37a-24691a99d7e7";

      SystemHttpServletRequest httpServletRequest = new SystemHttpServletRequest("DummyUser");
      ServletCredentials credentials = new ServletCredentials(httpServletRequest);
      Session session = repository.login(credentials); 

      Node node = session.getNodeByIdentifier(validNodeId);
      session.getWorkspace().getLockManager().addLockToken(nodeOpenScopedLockToken); // Call ends up going to FileDb.begin(), which opens one MVStore transaction with ID 1

      // Do operations on node here if you wish, not needed to reproduce bug

      session.save(); // Call also goes to FileDb.begin(), opens up transaction with ID 2
      session.logout(); // Call also goes to FileDb.begin(), opens up transaction with ID 3
}
// End of Java EE transaction calls FileDb.txCommitted(), which closes transaction with ID 1, but not ID 2 and ID 3