Fix Java CI crash caused by incorrect destruction order in core worker (#10709)

java/test.sh

@@ -16,6 +16,10 @@ run_testng() {
     fi
     # exit_code == 2 means there are skipped tests.
     if [ $exit_code -ne 2 ] && [ $exit_code -ne 0 ] ; then
+        if [ $exit_code -gt 128 ] ; then
+            # Test crashed. Print the driver log for diagnosis.
+            cat /tmp/ray/session_latest/logs/java-core-driver-*
+        fi
         find . -name "hs_err_*log" -exec cat {} +
         exit $exit_code
     fi