com.google.gson.stream.MalformedJsonException when logging to API Store - wso2

Question

When I login to the my WSO2 API store, I get the following exception.
Can someone please let me know where to look into for resolving this issue on the wso2 installation directory
Error Log :
2014-11-06 09:40:16,992 [-] [http-nio-9443-exec-24] ERROR RhinoEngine org.mozilla.javascript.WrappedException: Wrapped com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Expected EOF at line 1 column 11 (http#17)
2014-11-06 09:40:16,994 [-] [http-nio-9443-exec-24] ERROR WebAppManager org.mozilla.javascript.WrappedException: Wrapped com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Expected EOF at line 1 column 11 (http#17)
org.jaggeryjs.scriptengine.exceptions.ScriptException: org.mozilla.javascript.WrappedException: Wrapped com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Expected EOF at line 1 column 11 (http#17)
at org.jaggeryjs.scriptengine.engine.RhinoEngine.execScript(RhinoEngine.java:575)
at org.jaggeryjs.scriptengine.engine.RhinoEngine.exec(RhinoEngine.java:273)
at org.jaggeryjs.jaggery.core.manager.WebAppManager.execute(WebAppManager.java:432)
at org.jaggeryjs.jaggery.core.JaggeryServlet.doGet(JaggeryServlet.java:24)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:735)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:749)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:487)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:379)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:339)
at org.jaggeryjs.jaggery.core.JaggeryFilter.doFilter(JaggeryFilter.java:21)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.wso2.carbon.tomcat.ext.valves.CompositeValve.continueInvocation(CompositeValve.java:178)
at org.wso2.carbon.tomcat.ext.valves.CarbonTomcatValve$1.invoke(CarbonTomcatValve.java:47)
at org.wso2.carbon.webapp.mgt.TenantLazyLoaderValve.invoke(TenantLazyLoaderValve.java:56)
at org.wso2.carbon.tomcat.ext.valves.TomcatValveContainer.invokeValves(TomcatValveContainer.java:47)
at org.wso2.carbon.tomcat.ext.valves.CompositeValve.invoke(CompositeValve.java:141)
at org.wso2.carbon.tomcat.ext.valves.CarbonStuckThreadDetectionValve.invoke(CarbonStuckThreadDetectionValve.java:156)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
at org.wso2.carbon.tomcat.ext.valves.CarbonContextCreatorValve.invoke(CarbonContextCreatorValve.java:52)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1653)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:744)
Thanks
Kranthi

Answer 1

We put in some logging in the API gateway and found that the API gateway is trying to access an url which its not able to get to. We fixed the url and the issue was resolved.
Error log:
Caused by: org.mozilla.javascript.WrappedException: Wrapped com.google.gson.JsonSyntaxException: com.google.gson.stream.MalformedJsonException: Expected EOF at line 1 column 11 (http#17)
at org.mozilla.javascript.Context.throwAsScriptRuntimeEx(Context.java:1754)
at org.mozilla.javascript.MemberBox.invoke(MemberBox.java:148)
at org.mozilla.javascript.FunctionObject.call(FunctionObject.java:386)
at org.mozilla.javascript.optimizer.OptRuntime.callName(OptRuntime.java:63)
at org.mozilla.javascript.gen.http_1._c_anonymous_2(http:17)
at org.mozilla.javascript.gen.http_1.call(http)
at org.mozilla.javascript.optimizer.OptRuntime.callName(OptRuntime.java:63)
at org.mozilla.javascript.gen.http_1._c_anonymous_5(http:195)
at org.mozilla.javascript.gen.http_1.call(http)
at org.mozilla.javascript.optimizer.OptRuntime.callName(OptRuntime.java:63)
at org.mozilla.javascript.gen.http_1._c_anonymous_7(http:202)
at org.mozilla.javascript.gen.http_1.call(http)
at org.mozilla.javascript.optimizer.OptRuntime.callName(OptRuntime.java:63)
at org.jaggeryjs.rhino.store.site.themes.fancy.templates.page.base.c0._c_anonymous_1(/store/site/themes/fancy/templates/page/base/template.jag:90)
template.jag code :
var acResponse = get(url, data ,"json");
Hope it helps others when you get the similar error ..
Best Wishes
Kranthi