[Smack] Exception - no response from server

Hello!

I’ve got a problem with my smack application: i can send messages and request to the server, but my application can’t read responses from it.

Exception in thread “Smack Packet Reader (0)” java.lang.ExceptionInInitializerError

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Class.java:169)

at org.jivesoftware.smack.provider.ProviderManager.initialize(ProviderManager.java :193)

at org.jivesoftware.smack.provider.ProviderManager.(ProviderManager.java:436 )

at org.jivesoftware.smack.provider.ProviderManager.getInstance(ProviderManager.jav a:134)

at org.jivesoftware.smack.util.PacketParserUtils.parseIQ(PacketParserUtils.java:30 3)

at org.jivesoftware.smack.PacketReader.parsePackets(PacketReader.java:229)

at org.jivesoftware.smack.PacketReader.access$000(PacketReader.java:43)

at org.jivesoftware.smack.PacketReader$1.run(PacketReader.java:70)

Caused by: java.lang.NullPointerException

at java.util.TimeZone.parseCustomTimeZone(TimeZone.java:767)

at java.util.TimeZone.getTimeZone(TimeZone.java:471)

at java.util.TimeZone.getTimeZone(TimeZone.java:465)

at org.jivesoftware.smackx.workgroup.packet.TranscriptsProvider.(Transcrip tsProvider.java:44)

… 9 more

No response from the server.:

It’s not a network (firewall, nat…) problem (on another Macintosh in the same subnet, the same code runs well with no exceptions). I checked my MacOS firewall and it seems ok…what can I do to resolve this issue?

Thanks in advance.

Nobody knows how to help me?

I don’t know if this issue depends on java

Caused by: java.lang.NullPointerException

at java.util.TimeZone.parseCustomTimeZone(TimeZone.java:767)

at java.util.TimeZone.getTimeZone(TimeZone.java:471)

at java.util.TimeZone.getTimeZone(TimeZone.java:465)

or smack…

Thanks in advance!