how to create timezone object in gwt? - gwt

Question

TimeZone tzTarget = TimeZone.createTimeZone( "Asia/Dhaka" );
While creating timezone object in GWT i am getting error:
Exception while loading module com.test.client.GWT_project. See
Development Mode for details.
java.lang.reflect.InvocationTargetException at
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at
java.lang.reflect.Method.invoke(Unknown Source) at
com.google.gwt.dev.shell.ModuleSpace.onLoad(ModuleSpace.java:406) at
com.google.gwt.dev.shell.OophmSessionHandler.loadModule(OophmSessionHandler.java:200)
at
com.google.gwt.dev.shell.BrowserChannelServer.processConnection(BrowserChannelServer.java:526)
at
com.google.gwt.dev.shell.BrowserChannelServer.run(BrowserChannelServer.java:364)
at java.lang.Thread.run(Unknown Source) Caused by:
java.lang.IllegalArgumentException: Error parsing JSON: SyntaxError:
JSON.parse: unexpected character Asia/Dhaka at
com.google.gwt.core.client.JsonUtils.throwIllegalArgumentException(JsonUtils.java:118)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at
sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at
java.lang.reflect.Method.invoke(Unknown Source) at
com.google.gwt.dev.shell.MethodAdaptor.invoke(MethodAdaptor.java:103)
at
com.google.gwt.dev.shell.MethodDispatch.invoke(MethodDispatch.java:71)
at
com.google.gwt.dev.shell.OophmSessionHandler.invoke(OophmSessionHandler.java:172)
at
com.google.gwt.dev.shell.BrowserChannelServer.reactToMessagesWhileWaitingForReturn(BrowserChannelServer.java:338)
at
com.google.gwt.dev.shell.BrowserChannelServer.invokeJavascript(BrowserChannelServer.java:219)
at
com.google.gwt.dev.shell.ModuleSpaceOOPHM.doInvoke(ModuleSpaceOOPHM.java:136)
at
com.google.gwt.dev.shell.ModuleSpace.invokeNative(ModuleSpace.java:571)
at
com.google.gwt.dev.shell.ModuleSpace.invokeNativeObject(ModuleSpace.java:279)
at
com.google.gwt.dev.shell.JavaScriptHost.invokeNativeObject(JavaScriptHost.java:91)
at com.google.gwt.core.client.JsonUtils.safeEval(JsonUtils.java) at
com.google.gwt.i18n.client.TimeZoneInfo$.buildTimeZoneData(TimeZoneInfo.java:42)
at
com.google.gwt.i18n.client.TimeZone.createTimeZone(TimeZone.java:75)
at com.test.client.GWT_project.onModuleLoad(GWT_project.java:54) ... 9
more

Answer 1

Use this:
private static final TimeZoneConstants t = (TimeZoneConstants) GWT.create(TimeZoneConstants.class);
TimeZone tzTarget = TimeZone.createTimeZone( t.asiaDhaka());