gson TypeToken classNotFoundException

Question

webserver: tomcat

web framework: spring3

I use gson-2.3.1

follow error log

java.lang.ClassNotFoundException: com.mysite.chart.**ChartCtrl$2**
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233)
**at com.mysite.chart.ChartCtrl.msyData(ChartCtrl.java:278)**
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)

and ChartCtrl 278 line is follow

Type objType = new TypeToken<ArrayList<HashMap<String, Object>>>(){}.getType();

How can I solve this problem.

Answer 1

I also faced this issue, in my case I was importing the wrong class which somehow was available in the classpath for IDE but not on runtime.

Replace the below one:

import com.google.common.reflect.TypeToken;

With this one:

import com.google.gson.reflect.TypeToken;