diff --git a/tests/docs-examples-test/jdbc.sh b/tests/docs-examples-test/jdbc.sh
index 65603b4f23..20147bf91c 100644
--- a/tests/docs-examples-test/jdbc.sh
+++ b/tests/docs-examples-test/jdbc.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 
 pgrep taosd || taosd >> /dev/null 2>&1 &
 pgrep taosadapter || taosadapter >> /dev/null 2>&1 &
@@ -7,15 +8,11 @@ cd ../../docs/examples/java
 mvn clean test > jdbc-out.log 2>&1
 tail -n 20 jdbc-out.log
 
-if grep -q "BUILD FAILURE" jdbc-out.log; then
-    exit 8
-fi
-
 totalJDBCCases=`grep 'Tests run' jdbc-out.log | awk -F"[:,]" 'END{ print $2 }'`
 failed=`grep 'Tests run' jdbc-out.log | awk -F"[:,]" 'END{ print $4 }'`
 error=`grep 'Tests run' jdbc-out.log | awk -F"[:,]" 'END{ print $6 }'`
-totalJDBCFailed=`expr $failed + $error`
-totalJDBCSuccess=`expr $totalJDBCCases - $totalJDBCFailed`
+totalJDBCFailed=$((failed + error))
+totalJDBCSuccess=$((totalJDBCCases - totalJDBCFailed))
 
 if [ "$totalJDBCSuccess" -gt "0" ]; then
   echo -e "\n${GREEN} ### Total $totalJDBCSuccess JDBC case(s) succeed! ### ${NC}"