Bump a bit more and leave Maven without for the moment
diff --git a/runtests b/runtests
index fb279c2..044f29e 100755
--- a/runtests
+++ b/runtests
@@ -329,7 +329,7 @@
 
 
 # attempt to limit the memory for Maven
-export MAVEN_OPTS="-Xmx128m"
+# export MAVEN_OPTS="-Xmx128m"
 
 # Fire up Maven to do the real work
 if [ -z $nc ]; then
diff --git a/src/test/script/openejb/tck/commands/JavaTestCommand.groovy b/src/test/script/openejb/tck/commands/JavaTestCommand.groovy
index a48e16e..546122c 100644
--- a/src/test/script/openejb/tck/commands/JavaTestCommand.groovy
+++ b/src/test/script/openejb/tck/commands/JavaTestCommand.groovy
@@ -232,18 +232,18 @@
                 def containerJavaOpts = get('container.java.opts', "")
 
                 // force memory on tasks because with JDK 8 it's computed with a bit too much
-                containerJavaOpts += "-Xmx256m"
+                containerJavaOpts += " -Xmx512m"
 
 
                 if (options.contains('security')) {
                     log.info("Enabling server security manager")
 
                     // -Djava.security.properties=conf/security.properties
-                    containerJavaOpts += "-Djava.security.manager -Djava.security.policy==${project.basedir}/${openejbHome}/conf/catalina.policy"
+                    containerJavaOpts += " -Djava.security.manager -Djava.security.policy==${project.basedir}/${openejbHome}/conf/catalina.policy"
                 }
                 if (options.contains('websocket')) {
                     log.info("Enabling Tomcat WebSockets configuration")
-                    containerJavaOpts += "-Dorg.apache.tomcat.websocket.DISABLE_BUILTIN_EXTENSIONS=true " +
+                    containerJavaOpts += " -Dorg.apache.tomcat.websocket.DISABLE_BUILTIN_EXTENSIONS=true " +
                             "-Dorg.apache.tomcat.websocket.ALLOW_UNSUPPORTED_EXTENSIONS=true " +
                             "-Dorg.apache.tomcat.websocket.STRICT_SPEC_COMPLIANCE=true " +
                             "-Dorg.apache.tomcat.websocket.DEFAULT_PROCESS_PERIOD=0"