diff --git a/openbis/resource/eclipse/openBIS GWT Shell - debug.launch b/openbis/resource/eclipse/openBIS GWT Shell - debug.launch
index 305c5aa72585e897ea68543a80ba1edf8b346a8a..35726cf1f75371804e48e3c927c87d1176986f3f 100644
--- a/openbis/resource/eclipse/openBIS GWT Shell - debug.launch	
+++ b/openbis/resource/eclipse/openBIS GWT Shell - debug.launch	
@@ -1,12 +1,12 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <launchConfiguration type="org.eclipse.jdt.launching.localJavaApplication">
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
 <listEntry value="/openbis"/>
 </listAttribute>
 <listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
 <listEntry value="4"/>
-<listEntry value="org.eclipse.debug.ui.launchGroup.run"/>
 </listAttribute>
+<booleanAttribute key="org.eclipse.debug.core.appendEnvironmentVariables" value="true"/>
 <listAttribute key="org.eclipse.jdt.launching.CLASSPATH">
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;runtimeClasspathEntry containerPath=&quot;org.eclipse.jdt.launching.JRE_CONTAINER&quot; javaProject=&quot;openbis&quot; path=&quot;1&quot; type=&quot;4&quot;/&gt;&#13;&#10;"/>
 <listEntry value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;runtimeClasspathEntry internalArchive=&quot;/libraries/gwt2.0/gwt-dev.jar&quot; path=&quot;3&quot; type=&quot;2&quot;/&gt;&#13;&#10;"/>
@@ -17,5 +17,5 @@
 <stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value="com.google.gwt.dev.DevMode"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROGRAM_ARGUMENTS" value="-startupUrl ch.systemsx.cisd.openbis.OpenBIS/index.html?debug=true ch.systemsx.cisd.openbis.OpenBIS -war targets/www -logLevel WARN"/>
 <stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="openbis"/>
-<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Dpython.path=../libraries/jython/jython-lib&#10;-Dlog4j.configuration=etc/log.xml&#13;&#10;-Djavax.net.ssl.trustStore=dist/server/openBIS.keystore&#13;&#10;-Xmx1024M&#10;-ea"/>
+<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Dpython.path=../libraries/jython/jython-lib&#10;-Dlog4j.configuration=etc/log.xml&#13;&#10;-Djavax.net.ssl.trustStore=dist/server/openBIS.keystore&#13;&#10;-Xmx512M&#13;&#10;-ea"/>
 </launchConfiguration>