executionInfo = protocol.getExecutionInfo(getPort() );
ExecHandleBuilder builder = new ExecHandleBuilder();
builder.workingDir(executionInfo.getWorkingDirectory());
builder.commandLine((Object[]) executionInfo.getCommandLineArguments());
builder.environment(executionInfo.getEnvironmentVariables());
output = new ByteArrayOutputStream();
builder.setStandardOutput(output);
builder.setErrorOutput(output);
execHandle = builder.build();
setExternalProcess(execHandle);