EXCEPTIONS:
null
null : at Line: 536 : in file: CSVtoBGBilling2 : contract .getGroups ( )

Called from method: main : at Line: -1 : in file: <Called from Java Code> : <Compiled Java Code>
Target exception: java.lang.NullPointerException: Null Pointer in Method Invocation

   at bsh.UtilTargetError.toEvalError(UtilTargetError.java:70)
   at bsh.UtilEvalError.toEvalError(UtilEvalError.java:90)
   at bsh.BSHMethodInvocation.eval(BSHMethodInvocation.java:99)
   at bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:102)
   at bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:47)
   at bsh.BSHBinaryExpression.eval(BSHBinaryExpression.java:52)
   at bsh.BSHArguments.getArguments(BSHArguments.java:65)
   at bsh.BSHMethodInvocation.eval(BSHMethodInvocation.java:69)
   at bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:102)
   at bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:47)
   at bsh.BSHBlock.evalBlock(BSHBlock.java:131)
   at bsh.BSHBlock.eval(BSHBlock.java:81)
   at bsh.BSHBlock.eval(BSHBlock.java:47)
   at bsh.BSHIfStatement.eval(BSHIfStatement.java:48)
   at bsh.BSHBlock.evalBlock(BSHBlock.java:131)
   at bsh.BSHBlock.eval(BSHBlock.java:81)
   at bsh.BSHBlock.eval(BSHBlock.java:47)
   at bsh.BSHForStatement.eval(BSHForStatement.java:111)
   at bsh.BSHBlock.evalBlock(BSHBlock.java:131)
   at bsh.BSHBlock.eval(BSHBlock.java:81)
   at bsh.BSHBlock.eval(BSHBlock.java:47)
   at bsh.BSHIfStatement.eval(BSHIfStatement.java:48)
   at bsh.BSHBlock.evalBlock(BSHBlock.java:131)
   at bsh.BSHBlock.eval(BSHBlock.java:81)
   at bsh.BshMethod.invokeImpl(BshMethod.java:362)
   at bsh.BshMethod.invoke(BshMethod.java:258)
   at bsh.BshMethod.invoke(BshMethod.java:186)
   at bsh.Name.invokeLocalMethod(Name.java:917)
   at bsh.Name.invokeMethod(Name.java:804)
   at bsh.BSHMethodInvocation.eval(BSHMethodInvocation.java:75)
   at bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:102)
   at bsh.BSHPrimaryExpression.eval(BSHPrimaryExpression.java:47)
   at bsh.BSHBlock.evalBlock(BSHBlock.java:131)
   at bsh.BSHBlock.eval(BSHBlock.java:81)
   at bsh.BshMethod.invokeImpl(BshMethod.java:362)
   at bsh.BshMethod.invoke(BshMethod.java:258)
   at bsh.BshMethod.invoke(BshMethod.java:186)
   at bsh.This.invokeMethod(This.java:255)
   at bsh.This.invokeMethod(This.java:174)
   at ru.bitel.bgbilling.kernel.script.server.bean.ScriptInstance.invoke(ScriptInstance.java:385)
   at bitel.billing.server.script.global.bean.GlobalScriptMachine.runScriptImpl(GlobalScriptMachine.java:140)
   at bitel.billing.server.script.global.bean.GlobalScriptMachine.runScript(GlobalScriptMachine.java:73)
   at bitel.billing.server.script.global.bean.GlobalScriptManager.executeGlobalScript(GlobalScriptManager.java:40)
   at bitel.billing.server.script.global.action.ActionExecuteScript.doAction(ActionExecuteScript.java:32)
   at bitel.billing.server.Executer.doModule(Unknown Source)
   at bitel.billing.server.Executer$1.run(Unknown Source)
   at java.security.AccessController.doPrivileged(Native Method)
   at javax.security.auth.Subject.doAs(Subject.java:396)
   at bitel.billing.server.Executer.doPost(Unknown Source)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
   at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at bitel.billing.server.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:48)
   at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
   at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
   at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
   at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
   at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
   at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
   at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
   at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
   at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
   at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403)
   at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:301)
   at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:162)
   at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
   at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
   at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
   at java.lang.Thread.run(Thread.java:662)