Fix NPE if looking at DRF model before any trees

TATABOX42 · Nov 21, 2013 · 0530904 · 0530904
1 parent 24f0018
commit 0530904
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Showing 2 changed files with 1 addition and 1 deletion.
diff --git a/.classpath b/.classpath
@@ -33,6 +33,5 @@
 	<classpathentry kind="lib" path="lib/jogamp/jocl.jar" sourcepath="lib/jogamp/jocl-sources.jar"/>
 	<classpathentry kind="lib" path="lib/jogamp/gluegen-rt-natives-linux-amd64.jar"/>
 	<classpathentry kind="lib" path="lib/jogamp/gluegen-rt.jar" sourcepath="lib/jogamp/gluegen-rt-sources.jar"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.USER_LIBRARY/python) interpreter library"/>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>
diff --git a/src/main/java/hex/gbm/DTree.java b/src/main/java/hex/gbm/DTree.java
@@ -815,6 +815,7 @@ StringBuilder toString(final String res, CompressedTree ct, final StringBuilder
     }
 
     public void toJavaHtml( StringBuilder sb ) {
+      if( treeStats == null ) return; // No trees yet
       sb.append("<br /><br /><div class=\"pull-right\"><a href=\"#\" onclick=\'$(\"#javaModel\").toggleClass(\"hide\");\'" +
                 "class=\'btn btn-inverse btn-mini\'>Java Model</a></div><br /><div class=\"hide\" id=\"javaModel\">"       +
                 "<pre style=\"overflow-y:scroll;\"><code class=\"language-java\">");