More output to debug maven jar script on Travis

.travis.yml

@@ -8,10 +8,11 @@ before_install:
  - "popd"
  - "mkdir -p $TRAVIS_BUILD_DIR/com.ibm.wala.dalvik.test/lib"
  - "find /usr/local -name dx.jar -exec cp '{}' $TRAVIS_BUILD_DIR/com.ibm.wala.dalvik.test/lib/dx.jar ';'"
-install: mvn clean verify -DskipTests=true -B -q
+install:
+ - ./build-maven-jars.py "install -Dgpg.skip"
+ - mvn clean verify -DskipTests=true -B -q
 script:
  - mvn clean verify -B -q
- - ./build-maven-jars.py "install -Dgpg.skip"
 sudo: false
 cache:
   directories:

build-maven-jars.py

@@ -30,6 +30,11 @@ for proj in projects:
     print full_proj
     os.chdir(full_proj)
     mvnCmd = "mvn -f mvncentral.xml clean " + action
-    subprocess.check_output(mvnCmd, shell=True)
+    try:
+        subprocess.check_output(mvnCmd, shell=True)
+    except subprocess.CalledProcessError as e:
+        print "OUTPUT"
+        print e.output
+        raise
     os.chdir("..")