[jboss-jira] [JBoss JIRA] Created: (EJBTHREE-748) The implementation of equals() in org.jboss.ejb3.ProxyUtils.handleCallLocally() throws a NPE when being passed a null argument.
The implementation of equals() in org.jboss.ejb3.ProxyUtils.handleCallLocally() throws a
NPE when being passed a null argument.
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Key: EJBTHREE-748
URL: http://jira.jboss.com/jira/browse/EJBTHREE-748
Project: EJB 3.0
Issue Type: Bug
Environment: Embedded EJB3 container
Reporter: Nicolas Bielza
When looking up an entity bean, we get a proxy which implements equals() in a broken way:
Here's an example:
// Proxy NPE test:
InitialContext ctx = new InitialContext();
Manager m = (Manager)ctx.lookup("ManagerAction/local");
try {
if(m != null) {
m.equals(null);
}
System.err.println("What bug ???");
} catch(NullPointerException e) {
System.err.println("ProxyUtils NPE bug detected.");
e.printStackTrace();
}
And the output:
ProxyUtils NPE bug detected.
java.lang.NullPointerException
at org.jboss.ejb3.ProxyUtils.handleCallLocally(ProxyUtils.java:156)
at org.jboss.ejb3.ProxyUtils.handleCallLocally(ProxyUtils.java:137)
at org.jboss.ejb3.stateful.StatefulLocalProxy.invoke(StatefulLocalProxy.java:92)
at $Proxy34.equals(Unknown Source)
at
com.alligacom.nett.NetTransferAdminInterface.<init>(NetTransferAdminInterface.java:49)
at com.alligacom.nett.NetTransferAdminInterface.main(NetTransferAdminI nterface.java:87)
The incriminated line (156) in ProxyUtils is:
return new Boolean(ih.toString().equals(args[0].toString()));
and should be:
return new Boolean(args[0] == null ? false : ih.toString().equals(args[0].toString()));
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