abdul prodhani

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Recent posts by abdul prodhani

when i passed HashMap object in invokeRobust i am getting always OMException:NullPointerException ...
for example:
<code>

UserCl ob=new UserCl();
HashMap<String,Object> hm=-new HashMap<Object,Object>;
hm.put<"KEY","value">;
ob.setHM(hm);
QName opSetQuiz = new QName("http:xsd","submitUsedata");
Object[] opSetQuizArgs = new Object[] {ob};
client.invokeRobust(opSetQuiz, opSetQuizArgs);
<code>
16 years ago
sir,
In my services class i have a method which return array object.Now when i retrieved this values using this below code,which gives only null values..
please help me....

[code]

{
Object[] oarg= new Object[] {};
Class[] rt= new Class[] {Object[].class};
Object[] response = client.invokeBlocking(qn, oarg, rt);
Object[] res=(Object[])response[0];
if(res == null)
{
System.out.println("res didnot initialize!");
return;
}
for(int i = 0; i < res.length; i++)
{
System.out.println("item: " + res[i]+ "\tvalue: " + res[i]);
}
}
[code]
17 years ago
Hi Balaji,
sorry for indentation.
whenever i try to pass Quiz as a object in invokeRobust and then for getting Quiz object using ivokeBlocking i am getting this error.so, Please go through the Quiz file.
I tried it using tcpmon but nothing come in tcpmon and in the eclipse console the error i got given below.......
please help me.........





///Exception after executing



Exception in thread "main" org.apache.axiom.om.OMException: java.lang.NullPointerException
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:211)
at org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:315)
at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:608)
at org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:577)
at org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:114)
at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:236)
at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:192)
at org.apache.axis2.client.ServiceClient.fillSOAPEnvelope(ServiceClient.java:631)
at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:443)
at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:426)
at org.apache.axis2.rpc.client.RPCServiceClient.invokeRobust(RPCServiceClient.java:132)
at client.QuizClient.main(QuizClient.java:29)
Caused by: java.lang.NullPointerException
at org.apache.axis2.databinding.utils.BeanUtil.getPullParser(BeanUtil.java:272)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.processProperties(ADBXMLStreamReaderImpl.java:926)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.next(ADBXMLStreamReaderImpl.java:780)
at org.apache.axis2.util.StreamWrapper.next(StreamWrapper.java:68)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:125)
... 11 more

[ UD: fixed CODE tag ]
[ November 14, 2007: Message edited by: Ulf Dittmer ]
17 years ago
Hi Balaji,
I tried it using tcpmon but nothing come in tcpmon and in the eclipse console the error i got given below.......
please help me.........


i have sented all my code. but i dont know where is wrong ... so please help me

//services.xml file
<service name="service" scope="application">
<description>Weather POJO Service</description>
<messageReceivers>
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only"
class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver"/>
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out"
class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
<parameter name="ServiceClass">edujinilabs.Service</parameter>
</service>

//service.java file

package edujinilabs;
import com.edujinilabs.aksh.quiz.Quiz;
public class Service
{

Quiz quiz;

public void submitQuiz(Quiz quiz)
{
this.quiz=quiz;
}
public Quiz getQuiz()
{

return quiz;
}
}
//client file



package client;

import javax.xml.namespace.QName;

import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.rpc.client.RPCServiceClient;

import com.edujinilabs.aksh.quiz.Quiz;

public class QuizClient
{
public static void main(String[] args) throws AxisFault
{
RPCServiceClient client = new RPCServiceClient();
Options op = client.getOptions();
EndpointReference epr = new EndpointReference("http://localhost:8888/axis2/services/service");
op.setTo(epr);
// for Quiz

QName opSetQuiz = new QName("http://quiz.aksh.edujinilabs.com/xsd", "submitQuiz");
Quiz q=new Quiz();
q.setDescription("QuizDesc");
q.setTitle("QuizTitle");
q.setQuizId("QuizID");

Object[] opSetQuizArgs = new Object[] {q};
client.invokeRobust(opSetQuiz, opSetQuizArgs);
// Getting MyQuiz Parameter
QName GetInsert1 = new QName("http://quiz.aksh.edujinilabs.com/xsd", "getQuiz");
Object[] opGetQuizArg1 = new Object[] {};
Class[] returnTypes1 = new Class[] {Quiz.class};
Object[] response1 = client.invokeBlocking(GetInsert1, opGetQuizArg1, returnTypes1);
Quiz quiz=(Quiz)response1[0];
if(quiz == null)
{
System.out.println("Time didnot initialize!");
return;
}
System.out.println("Title :" + quiz.getTitle());
System.out.println("Description :" + quiz.getDescription());
System.out.println("getQuiz methoid end......."+quiz.getQuizId());
}
}

and the Quiz.java file is


import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;

import org.json.JSONException;
import org.json.JSONObject;

@JSONObjectAnnotation(name = "aksh.quiz.Quiz")
@JSONCustomSerializationMethod("customInfo")
public class Quiz
{
@JSONObjectAnnotation(order = 0)
private String quizID;

@JSONObjectAnnotation
private String title;

@JSONObjectAnnotation
private String description;

//*
@JSONObjectAnnotation
@JSONDataTypeAnnotation(JSONDataType.Date)
private Date startDate;

@JSONObjectAnnotation
@JSONDataTypeAnnotation(JSONDataType.Date)
private Date endDate;

@JSONObjectAnnotation
private Timespan duration;

@JSONObjectAnnotation
private int sectionCount;

@JSONObjectAnnotation
private int questionCount;

@JSONObjectAnnotation
@JSONDataTypeAnnotation(JSONDataType.Date)
private Date serverTime;

private HashMap<String, Object> extraInfo = new HashMap<String, Object>();

private HashMap<String, Object> userData = new HashMap<String, Object>();

@JSONObjectAnnotation
@JSONDataTypeAnnotation(JSONDataType.Array)
private QuizSectionList sections = new QuizSectionList();

@JSONObjectAnnotation
@JSONDataTypeAnnotation(JSONDataType.Array)
private QuizQuestionList questions = new QuizQuestionList();
//*/

public String getQuizId()
{
return quizID;
}

public void setQuizId(String quizID)
{
this.quizID = quizID;
}

public String getTitle()
{
return title;
}

public void setTitle(String title)
{
this.title = title;
}

public String getDescription()
{
return description;
}

public void setDescription(String description)
{
this.description = description;
}

//*
public Date getStartDate()
{
return startDate;
}

public void setStartDate(Date startDate)
{
this.startDate = startDate;
}

public Date getEndDate()
{
return endDate;
}

public void setEndDate(Date endDate)
{
this.endDate = endDate;
}

public Timespan getDurartion()
{
return duration;
}

public void setDuration(Timespan duration)
{
this.duration = duration;
}

public int getSectionCount()
{
return sectionCount;
}

public void setSectionCount(int sectionCount)
{
this.sectionCount = sectionCount;
}

public void incrementSectionCount()
{
sectionCount++;
}

public int getQuestionCount()
{
return questionCount;
}

public void setQuestionCount(int questionCount)
{
this.questionCount = questionCount;
}

public void incrementQuestionCount()
{
questionCount++;
}

public Date getServerTime()
{
return serverTime;
}

public void setServerTime(Date serverTime)
{
this.serverTime = serverTime;
}

public void setExtraInfo(HashMap<String, Object> extraInfo)
{
this.extraInfo = extraInfo;
}

public HashMap<String, Object> getExtraInfo()
{
return extraInfo;
}

public void setUserData(HashMap<String, Object> userData)
{
this.userData = userData;
}

public HashMap<String, Object> getUserData()
{
return userData;
}

public QuizQuestionList getQuestions()
{
return questions;
}

public void setQuestions(QuizQuestionList questions)
{
this.questions = questions;
}

public QuizSectionList getSections()
{
return sections;
}

public void setSections(QuizSectionList sections)
{
this.sections = sections;
}

public void customInfo(JSONObject obj, boolean isSerializing)
{
if(isSerializing)
{
JSONObject extraInfo = new JSONObject();
JSONObject userDataObj = new JSONObject();

try
{
boolean hasExtraInfo = setValuesToJSONObject(this.extraInfo, extraInfo);
if(hasExtraInfo)
{
obj.put("extraInfo", extraInfo);
}

boolean hasUserData = setValuesToJSONObject(this.userData, userDataObj);
if(hasUserData)
{
obj.put("userData", userDataObj);
}
} catch (JSONException je)
{
je.printStackTrace();
}
} else
{
JSONObject extraInfoObj = obj.optJSONObject("extraInfo");

if(extraInfoObj != null)
{
setValuesToHashmap(extraInfoObj, this.extraInfo);
}

JSONObject userData = obj.optJSONObject("userData");
UserData ud = null;

if(userData != null)
{
try
{
userData.putOpt("_type", UserData.class.getName());

ud = (UserData) JSONDeserializer.deserialize(userData.toString());

this.userData.put("userInfo", ud);
} catch (JSONException e)
{
e.printStackTrace();
}
}
}
}
//*/

public boolean setValuesToJSONObject(HashMap<String, Object> hashMap,
JSONObject jsonObject)
{
boolean setValues = false;
try
{
for(String key : hashMap.keySet())
{
if(!jsonObject.has(key))
{
setValues = true;
Object value = JSONCodec.encode(hashMap.get(key));
jsonObject.put(key, value);
}
}
} catch (JSONException e)
{
e.printStackTrace();
}

return setValues;
}

public boolean setValuesToHashmap(JSONObject jsonObject, HashMap<String, Object> hashMap)
{
boolean setValues = false;
Iterator udKeys = jsonObject.keys();

while(udKeys.hasNext())
{
String key = (String) udKeys.next();
Object value = JSONCodec.decode(jsonObject.opt(key));

if(value != null && value.toString().length() != 0)
{
setValues = true;
hashMap.put(key, value);
} else
{
hashMap.put(key, null);
}
}

return setValues;
}
}



///Exception after executing



Exception in thread "main" org.apache.axiom.om.OMException: java.lang.NullPointerException
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:211)
at org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:315)
at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:608)
at org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:577)
at org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:114)
at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:236)
at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:192)
at org.apache.axis2.client.ServiceClient.fillSOAPEnvelope(ServiceClient.java:631)
at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:443)
at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:426)
at org.apache.axis2.rpc.client.RPCServiceClient.invokeRobust(RPCServiceClient.java:132)
at client.QuizClient.main(QuizClient.java:29)
Caused by: java.lang.NullPointerException
at org.apache.axis2.databinding.utils.BeanUtil.getPullParser(BeanUtil.java:272)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.processProperties(ADBXMLStreamReaderImpl.java:926)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.next(ADBXMLStreamReaderImpl.java:780)
at org.apache.axis2.util.StreamWrapper.next(StreamWrapper.java:68)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:125)
... 11 more
17 years ago
Hi,
i have sented all my code. but i dont know where is wrong ... so please help me

//services.xml file
<service name="service" scope="application">
<description>Weather POJO Service</description>
<messageReceivers>
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only"
class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver"/>
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out"
class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
<parameter name="ServiceClass">edujinilabs.Service</parameter>
</service>

//service.java file

package edujinilabs;
import com.edujinilabs.aksh.quiz.Quiz;
public class Service
{

Quiz quiz;

public void submitQuiz(Quiz quiz)
{
this.quiz=quiz;
}
public Quiz getQuiz()
{

return quiz;
}
}
//client file



package client;

import javax.xml.namespace.QName;

import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.rpc.client.RPCServiceClient;

import com.edujinilabs.aksh.quiz.Quiz;

public class QuizClient
{
public static void main(String[] args) throws AxisFault
{
RPCServiceClient client = new RPCServiceClient();
Options op = client.getOptions();
EndpointReference epr = new EndpointReference("http://localhost:8080/axis2/services/service");
op.setTo(epr);
// for Quiz

QName opSetQuiz = new QName("http://quiz.aksh.edujinilabs.com/xsd", "submitQuiz");
Quiz q=new Quiz();
q.setDescription("QuizDesc");
q.setTitle("QuizTitle");
q.setQuizId("QuizID");

Object[] opSetQuizArgs = new Object[] {q};
client.invokeRobust(opSetQuiz, opSetQuizArgs);
// Getting MyQuiz Parameter
QName GetInsert1 = new QName("http://quiz.aksh.edujinilabs.com/xsd", "getQuiz");
Object[] opGetQuizArg1 = new Object[] {};
Class[] returnTypes1 = new Class[] {Quiz.class};
Object[] response1 = client.invokeBlocking(GetInsert1, opGetQuizArg1, returnTypes1);
Quiz quiz=(Quiz)response1[0];
if(quiz == null)
{
System.out.println("Time didnot initialize!");
return;
}
System.out.println("Title :" + quiz.getTitle());
System.out.println("Description :" + quiz.getDescription());
System.out.println("getQuiz methoid end......."+quiz.getQuizId());
}
}



///Exception after executing



Exception in thread "main" org.apache.axiom.om.OMException: java.lang.NullPointerException
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:211)
at org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:315)
at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:608)
at org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:577)
at org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:114)
at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:236)
at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:192)
at org.apache.axis2.client.ServiceClient.fillSOAPEnvelope(ServiceClient.java:631)
at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:443)
at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:426)
at org.apache.axis2.rpc.client.RPCServiceClient.invokeRobust(RPCServiceClient.java:132)
at client.QuizClient.main(QuizClient.java:29)
Caused by: java.lang.NullPointerException
at org.apache.axis2.databinding.utils.BeanUtil.getPullParser(BeanUtil.java:272)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.processProperties(ADBXMLStreamReaderImpl.java:926)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.next(ADBXMLStreamReaderImpl.java:780)
at org.apache.axis2.util.StreamWrapper.next(StreamWrapper.java:68)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:125)
... 11 more
17 years ago
suppose i hv client.java, service.java, PWCBHandler.java,service.xml file....
inflowsecurity and outflowsecurity(both may be in axis2.xml or services.xml)

now when client is running then what will be the flow of control........
also there is inflowsecurity and outflow security

hope i will get the right answer.I am qorry for your kind time...

with thanks
a l prodhani
edujinilabs
17 years ago
sir,
i have sented all my code. but i dont know where is wrong ... so please help me

//services.xml file
<service name="service" scope="application">
<description>Weather POJO Service</description>
<messageReceivers>
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-only"
class="org.apache.axis2.rpc.receivers.RPCInOnlyMessageReceiver"/>
<messageReceiver mep="http://www.w3.org/2004/08/wsdl/in-out"
class="org.apache.axis2.rpc.receivers.RPCMessageReceiver"/>
<parameter name="ServiceClass">edujinilabs.Service</parameter>
</service>

//service.java file

package edujinilabs;
import com.edujinilabs.aksh.quiz.Quiz;
public class Service
{

Quiz quiz;

public void submitQuiz(Quiz quiz)
{
this.quiz=quiz;
}
public Quiz getQuiz()
{

return quiz;
}
}
//client file



package client;

import javax.xml.namespace.QName;

import org.apache.axis2.AxisFault;
import org.apache.axis2.addressing.EndpointReference;
import org.apache.axis2.client.Options;
import org.apache.axis2.rpc.client.RPCServiceClient;

import com.edujinilabs.aksh.quiz.Quiz;

public class QuizClient
{
public static void main(String[] args) throws AxisFault
{
RPCServiceClient client = new RPCServiceClient();
Options op = client.getOptions();
EndpointReference epr = new EndpointReference("http://localhost:8080/axis2/services/service");
op.setTo(epr);
//for Quiz

QName opSetQuiz = new QName("http://quiz.aksh.edujinilabs.com/xsd", "submitQuiz");
Quiz q=new Quiz();
q.setDescription("QuizDesc");
q.setTitle("QuizTitle");
q.setQuizId("QuizID");

Object[] opSetQuizArgs = new Object[] {q};
client.invokeRobust(opSetQuiz, opSetQuizArgs);
//Getting MyQuiz Parameter
QName GetInsert1 = new QName("http://quiz.aksh.edujinilabs.com/xsd", "getQuiz");
Object[] opGetQuizArg1 = new Object[] {};
Class[] returnTypes1 = new Class[] {Quiz.class};
Object[] response1 = client.invokeBlocking(GetInsert1, opGetQuizArg1, returnTypes1);
Quiz quiz=(Quiz)response1[0];
if(quiz == null)
{
System.out.println("Time didnot initialize!");
return;
}
System.out.println("Title :" + quiz.getTitle());
System.out.println("Description :" + quiz.getDescription());
System.out.println("getQuiz methoid end......."+quiz.getQuizId());
}
}



///Exception after executing



Exception in thread "main" org.apache.axiom.om.OMException: java.lang.NullPointerException
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:211)
at org.apache.axiom.om.impl.llom.OMNodeImpl.build(OMNodeImpl.java:315)
at org.apache.axiom.om.impl.llom.OMElementImpl.build(OMElementImpl.java:608)
at org.apache.axiom.om.impl.llom.OMElementImpl.detach(OMElementImpl.java:577)
at org.apache.axiom.om.impl.llom.OMNodeImpl.setParent(OMNodeImpl.java:114)
at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:236)
at org.apache.axiom.om.impl.llom.OMElementImpl.addChild(OMElementImpl.java:192)
at org.apache.axis2.client.ServiceClient.fillSOAPEnvelope(ServiceClient.java:631)
at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:443)
at org.apache.axis2.client.ServiceClient.sendRobust(ServiceClient.java:426)
at org.apache.axis2.rpc.client.RPCServiceClient.invokeRobust(RPCServiceClient.java:132)
at client.QuizClient.main(QuizClient.java:29)
Caused by: java.lang.NullPointerException
at org.apache.axis2.databinding.utils.BeanUtil.getPullParser(BeanUtil.java:272)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.processProperties(ADBXMLStreamReaderImpl.java:926)
at org.apache.axis2.databinding.utils.reader.ADBXMLStreamReaderImpl.next(ADBXMLStreamReaderImpl.java:780)
at org.apache.axis2.util.StreamWrapper.next(StreamWrapper.java:68)
at org.apache.axiom.om.impl.builder.StAXOMBuilder.next(StAXOMBuilder.java:125)
... 11 more
17 years ago