[jgroups-users] In which case Rsp could be null?
Questions/problems related to using JGroups <[email protected]>
| Newsgroups | gmane.comp.java.javagroups.general |
|---|---|
| Message-ID | <CAOQmiF6nU+hisXddBi0v=176oNUyUMJGgkryGPJ5R3jiUL6uwQ@mail.gmail.com> |
Hello,
I use RPC, and getting NullPointerException in very unusual place:
Here is my code example:
-----------------
RspList<Boolean> result = dispatcher.callRemoteMethods(null, "fileExists",
new Object[] { localFileName }, new Class[] { String.class },
OPT_ALL_IN_5_SEC);
for (Rsp<Boolean> rsp : result.values()) {
if (rsp.getValue()) {
-------------------
the last line sometimes throws NPE. Looks like rsp is null.
The fileExists method returns primitive boolean, so the result cannot be
null by definition.
Looks like something went wrong during the cluster communication.
What could it be?
Thanks,
Eugene
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