Changeset 30616 for main/trunk/greenstone3/src/java/org/greenstone/gsdl3/service/ServiceRack.java

Timestamp:

2016-07-22T15:16:54+12:00 (8 years ago)

Author:

ak19

Message:

Useful debug statement when we get an InvocationTargetException (Reflection related issue). The method may be called and may encounter an exception there, yet we still see the InvocationTargetException.

File:

• main/trunk/greenstone3/src/java/org/greenstone/gsdl3/service/ServiceRack.java (modified) (2 diffs)

main/trunk/greenstone3/src/java/org/greenstone/gsdl3/service/ServiceRack.java

@@ -36 +36 @@
 import org.w3c.dom.Node;
 import org.w3c.dom.NodeList;
+
+import java.io.StringWriter;
+import java.io.PrintWriter;
 
 /**
@@ -294 +297 @@
                         {
                             logger.error("Trying to call a processService type method (process" + to + ") on a subclass(" + this.getClass().getName() + "), but an exception happened:" + e.toString(), e);
-
-                            error_string.append("Trying to call a processService type method (process" + to + ") on a subclass(" + this.getClass().getName() + "), but an exception happened:" + e.toString());
+                            // for debugging, it's useful to see what's really causing this supposed "invocationTargetException"
+                            // When the error message is displayed in the "Net" tab in the browser's web inspector, scroll down to "Caused by"
+                            StringWriter errors = new StringWriter();
+                            e.printStackTrace(new PrintWriter(errors));
+                            String errStr = errors.toString();
+                            errStr += XMLConverter.getString(request);
+
+
+                            error_string.append("Trying to call a processService type method (process" + to + ") on a subclass(" + this.getClass().getName() + "), but an exception happened:" + e.toString() + "\n" + errStr );
                         }
                     }