I've done a WS that should reload me Axis through Reload class of 
catalina-ant.jar, a snippet of code is that:

        org.apache.catalina.ant.ReloadTask rtask = new 
org.apache.catalina.ant.ReloadTask();
        rtask.setUrl(url);
        rtask.setPath("/axis");
        rtask.setUsername(user);
        rtask.setPassword(password);
        rtask.execute();

Variable are passed by method call reloadAxisAnt(String user, String password, 
String url)

When
I call the service I have this exception shown on catalina logs file
(I've tried to view some solution on other groups but I haven't found
anything insteresting).

Thank you!

java.lang.NullPointerException: charsetName
    at 
org.apache.catalina.ant.AbstractCatalinaTask.execute(AbstractCatalinaTask.java:261)
    at 
org.apache.catalina.ant.AbstractCatalinaTask.execute(AbstractCatalinaTask.java:145)
    at org.apache.catalina.ant.ReloadTask.execute(ReloadTask.java:71)
    at man.ServerManager.reloadAxisAnt(ServerManager.java:140)
    at man.ServerManager.reload(ServerManager.java:116)
    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:585)
    at 
org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397)
    at 
org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186)
    at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)
    at 
org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
    at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
    at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
    at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454)
    at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)
    at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at 
org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
    at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
    at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
    at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
    at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
    at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
    at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
    at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
    at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
    at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
    at java.lang.Thread.run(Thread.java:595)
Caused by: java.lang.NullPointerException: charsetName
    at java.io.InputStreamReader.<init>(InputStreamReader.java:82)
    at 
org.apache.catalina.ant.AbstractCatalinaTask.execute(AbstractCatalinaTask.java:222)
    ... 34 more
--- Nested Exception ---
java.lang.NullPointerException: charsetName
    at java.io.InputStreamReader.<init>(InputStreamReader.java:82)
    at 
org.apache.catalina.ant.AbstractCatalinaTask.execute(AbstractCatalinaTask.java:222)
    at 
org.apache.catalina.ant.AbstractCatalinaTask.execute(AbstractCatalinaTask.java:145)
    at org.apache.catalina.ant.ReloadTask.execute(ReloadTask.java:71)
    at man.ServerManager.reloadAxisAnt(ServerManager.java:140)
    at man.ServerManager.reload(ServerManager.java:116)
    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:585)
    at 
org.apache.axis.providers.java.RPCProvider.invokeMethod(RPCProvider.java:397)
    at 
org.apache.axis.providers.java.RPCProvider.processMessage(RPCProvider.java:186)
    at org.apache.axis.providers.java.JavaProvider.invoke(JavaProvider.java:323)
    at 
org.apache.axis.strategies.InvocationStrategy.visit(InvocationStrategy.java:32)
    at org.apache.axis.SimpleChain.doVisiting(SimpleChain.java:118)
    at org.apache.axis.SimpleChain.invoke(SimpleChain.java:83)
    at org.apache.axis.handlers.soap.SOAPService.invoke(SOAPService.java:454)
    at org.apache.axis.server.AxisServer.invoke(AxisServer.java:281)
    at org.apache.axis.transport.http.AxisServlet.doPost(AxisServlet.java:699)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
    at 
org.apache.axis.transport.http.AxisServletBase.service(AxisServletBase.java:327)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
    at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
    at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
    at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
    at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
    at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
    at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
    at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
    at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:869)
    at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:664)
    at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:527)
    at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
    at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
    at java.lang.Thread.run(Thread.java:595)
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