SEVERE: Exception occurred while trying to invoke service method
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Key: AXIS2-2577
URL: https://issues.apache.org/jira/browse/AXIS2-2577
Project: Axis 2.0 (Axis2)
Issue Type: Bug
Affects Versions: nightly
Environment: I am running Tomcat 5.5, on a windows XP PC.
The nightly build from April 21 was used.
Reporter: Sean Ferenci
I modified the Quick Start sample as follows:
public class StockQuoteService {
...
public stock getCompany(String symbol, String market)
{
dao = (stockDataDAOInterface)new stockRetrieval();
stock mystock = dao.getCompany(symbol,market);
mystock.print();
return mystock;
}
...
}
the
stock class is:
public class stock extends stockNameSymbolVO {
private int yearStart;
private stockDataVO[] yearData;
private float recentPrice;
public stock() {
super();
yearStart = 0;
recentPrice= 0;
}
public void setStockNameSymbol(stockNameSymbolVO data)
{
this.setIndustry(data.getIndustry());
this.setStockMarket(data.getStockMarket());
this.setStockSymbol(data.getStockSymbol());
this.setStockName(data.getStockName());
}
public void setStockData(stockDataVO[] data)
{
yearData = data;
}
public stockDataVO[] getStockData()
{
return yearData;
}
public void print()
{
super.print();
System.out.println("year: " + yearStart);
System.out.println("recentPrice: " + recentPrice);
for(int i=0; i<yearData.length; i++)
{
yearData[i].print();
}
}
}
public class stockNameSymbolVO {
/** Creates a new instance of stockNameSymbolVO */
private String stockName = "";
private String stockSymbol = "";
private int industry = 0;
private int stockMarket = 0;
public stockNameSymbolVO()
{
}
public stockNameSymbolVO(String iName, String iSymbol, int iMarket, int
iIndustry) {
this.setStockName(iName);
this.setIndustry(iIndustry);
this.setStockSymbol(iSymbol);
this.setStockMarket(iMarket);
}
public void setStockName(String iName)
{
stockName = iName;
}
public void setStockSymbol(String iSymbol)
{
stockSymbol = iSymbol;
}
public void setStockMarket(int iMarket)
{
stockMarket = iMarket;
}
public void setIndustry(int iIndustry)
{
industry = iIndustry;
}
public String getStockName()
{
return stockName;
}
public String getStockSymbol()
{
return stockSymbol;
}
public int getStockMarket()
{
return stockMarket;
}
public int getIndustry()
{
return industry;
}
public void print()
{
System.out.println("stockName: " +stockName);
System.out.println("stockSymbol: " + stockSymbol);
System.out.println("industry: " + industry);
System.out.println("stockMarket: " + stockMarket);
}
}
There Error Generated was as follows
21-Apr-2007 9:53:39 PM org.apache.axis2.rpc.receivers.RPCMessageReceiver invokeB
usinessLogic
SEVERE: Exception occurred while trying to invoke service method getCompany
java.lang.NullPointerException
at org.apache.axis2.databinding.utils.BeanUtil.getPullParser(BeanUtil.ja
va:268)
at org.apache.axis2.rpc.receivers.RPCUtil.processResponse(RPCUtil.java:9
8)
at org.apache.axis2.rpc.receivers.RPCUtil.processResponse(RPCUtil.java:2
51)
at org.apache.axis2.rpc.receivers.RPCMessageReceiver.invokeBusinessLogic
(RPCMessageReceiver.java:134)
at org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.receive(A
bstractInOutSyncMessageReceiver.java:39)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:144)
at org.apache.axis2.transport.http.util.RESTUtil.invokeAxisEngine(RESTUt
il.java:122)
at org.apache.axis2.transport.http.util.RESTUtil.processURLRequest(RESTU
til.java:116)
at org.apache.axis2.transport.http.AxisServlet$ProcessRESTRequest.proces
sURLRequest(AxisServlet.java:767)
at org.apache.axis2.transport.http.AxisServlet.doGet(AxisServlet.java:23
8)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Appl
icationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationF
ilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperV
alve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextV
alve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.j
ava:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.j
ava:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineVal
ve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.jav
a:148)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java
:856)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.proce
ssConnection(Http11Protocol.java:744)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpo
int.java:527)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFol
lowerWorkerThread.java:80)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadP
ool.java:684)
at java.lang.Thread.run(Unknown Source)
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