Can not save Work Item due to permission issue

private static class WorkItemInitialization extends WorkItemOperation {

private String fSummary;

private ICategoryHandle fCategory;

private IIterationHandle fIteration;

HashMap<iattribute, Object=""> fAttributes;

public WorkItemInitialization(String summary, ICategoryHandle category, IIterationHandle iteration, HashMap attributes) {

super("Initializing Work Item");

fSummary= summary;

fCategory= category;

fAttributes = attributes;

fIteration = iteration;

}

@Override

protected void execute(WorkItemWorkingCopy workingCopy, IProgressMonitor monitor) throws TeamRepositoryException {

IWorkItem workItem= workingCopy.getWorkItem();

workItem.setHTMLSummary(XMLString.createFromPlainText(fSummary));

workItem.setCategory(fCategory);

workItem.setTarget(fIteration); 

Iterator keys = fAttributes.keySet().iterator();

while(keys.hasNext()){

IAttribute key = (IAttribute)keys.next();

Object value = fAttributes.get(key);

workItem.setValue(key, value);

}

}

}

.....

String repositoryURI= "https://xxx.ibm.com:8001/jazz/";

String userId= "XXXX";

String password= "YYYY";

String projectAreaName= "Lotus Connections";

String typeIdentifier= "defect";

String summary = "Post install bvt";

String categoryName= "Web/Cross Functional/Automation";//args[6];//filedAgainst

String plannedFor = "Main development/Release Backlog/2014 Development";//required by task, defect

String foundIn = "Automated BVT";//required by defect

String qaTeam = "Functional (FVT)";//required by defect

String phaseFound = "Functional (FVT)";//required by defect

...

 

IWorkItemType workItemType= workItemClient.findWorkItemType(projectArea, typeIdentifier, null);

if (workItemType == null) {

System.out.println("Work item type not found.");

return false;

}

....

IAttribute phaseAttribute = workItemClient.findAttribute(projectArea, "howfound", null);

Identifier literalID_phase = null;

IEnumeration enumeration_phase =workItemClient.resolveEnumeration(phaseAttribute, null);

List literals_phase = enumeration_phase.getEnumerationLiterals();

for (Iterator iterator = literals.iterator(); iterator.hasNext();) {

ILiteral iLiteral = (ILiteral) iterator.next();

if (iLiteral.getName().equals(phaseFound)) {

literalID_phase = iLiteral.getIdentifier2();

System.out.println("You found phase!!");

break;

}

}

if(literalID_phase==null){

System.out.println("not found phase");

return false;

}

attributes.put(foundInAttribute, foundIN);

attributes.put(qaAttribute, literalID);

attributes.put(phaseAttribute, literalID_phase);

...

WorkItemInitialization operation= new WorkItemInitialization(summary, category, cih, attributes);

IWorkItemHandle handle= operation.run(workItemType, null);

IWorkItem workItem= auditableClient.resolveAuditable(handle, IWorkItem.FULL_PROFILE, null);

System.out.println("Created work item " + workItem.getId() + ".");