Have switched to sun java 6, but I am getting the same:
linux-f99j:/home/user/src/mob-ss7-r15671/ss7/mtp # mvn install
[INFO] Scanning for projects...
[INFO] Reactor build order:
[INFO] Mobicents SS7 :: MTP :: Parent :: mtp-parent
[INFO] Mobicents SS7 :: MTP :: Impl :: mtp
[INFO] Mobicents SS7 :: MTP :: Docs :: Parent :: mobicents-mtp-docs
[INFO] Mobicents SS7 :: MTP :: Docs :: Sources :: mobicents-mtp-docs-sources
[INFO] Mobicents SS7 :: MTP :: Docs :: Sources :: mobicents-mtp-docs-sources-mobicents
[INFO] Mobicents SS7 :: MTP :: Docs :: Build :: mobicents-mtp-docs-jdocbook-mobicents
[INFO] ------------------------------------------------------------------------
[INFO] Building Mobicents SS7 :: MTP :: Parent :: mtp-parent
[INFO] task-segment: [install]
[INFO] ------------------------------------------------------------------------
[INFO] [site:attach-descriptor]
[INFO] [install:install]
[INFO] Installing /home/user/src/mob-ss7-r15671/ss7/mtp/pom.xml to /root/.m2/repository/org/mobicents/protocols/ss7/mtp/mtp-parent/1.0.0-SNAPSHOT/mtp-parent-1.0.0-SNAPSHOT.pom
[INFO] ------------------------------------------------------------------------
[INFO] Building Mobicents SS7 :: MTP :: Impl :: mtp
[INFO] task-segment: [install]
[INFO] ------------------------------------------------------------------------
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:compile]
[INFO] Nothing to compile - all classes are up to date
[INFO] [resources:testResources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:testCompile]
[INFO] Nothing to compile - all classes are up to date
[INFO] [surefire:test]
[INFO] Surefire report directory: /home/user/src/mob-ss7-r15671/ss7/mtp/mtp-impl/target/surefire-reports
-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.mobicents.protocols.ss7.mtp.MTPSchedulerTest
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 12.123 sec
Results :
Tests run: 2, Failures: 0, Errors: 0, Skipped: 0
[INFO] [jar:jar]
[INFO] [dependency:unpack {execution: unpack}]
[INFO] Configured Artifact: org.mobicents.protocols.ss7.mtp.docs:mobicents-mtp-docs-sources:1.0.0-SNAPSHOT:jar
[INFO] Unpacking /root/.m2/repository/org/mobicents/protocols/ss7/mtp/docs/mobicents-mtp-docs-sources/1.0.0-SNAPSHOT/mobicents-mtp-docs-sources-1.0.0-SNAPSHOT.jar to
/home/user/src/mob-ss7-r15671/ss7/mtp/docs/sources-mobicents/src/main/resources
with includes null and excludes:null
[INFO] [resources:resources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:compile]
[INFO] No sources to compile
[INFO] [resources:testResources]
[INFO] Using default encoding to copy filtered resources.
[INFO] [compiler:testCompile]
[INFO] No sources to compile
[INFO] [surefire:test]
[INFO] No tests to run.
[INFO] [jar:jar]
[INFO] Building jar: /home/user/src/mob-ss7-r15671/ss7/mtp/docs/sources-mobicents/target/mobicents-mtp-docs-sources-mobicents-1.0.0-SNAPSHOT.jar
[INFO] [install:install]
[INFO] Installing /home/user/src/mob-ss7-r15671/ss7/mtp/docs/sources-mobicents/target/mobicents-mtp-docs-sources-mobicents-1.0.0-SNAPSHOT.jar to /root/.m2/repository/org/mobicents/protocols/ss7/mtp/docs/mobicents-mtp-docs-sources-mobicents/1.0.0-SNAPSHOT/mobicents-mtp-docs-sources-mobicents-1.0.0-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] Building Mobicents SS7 :: MTP :: Docs :: Build :: mobicents-mtp-docs-jdocbook-mobicents
[INFO] task-segment: [install]
[INFO] ------------------------------------------------------------------------
[INFO] [dependency:unpack {execution: unpack}]
[INFO] Configured Artifact: org.mobicents.protocols.ss7.mtp.docs:mobicents-mtp-docs-sources-mobicents:1.0.0-SNAPSHOT:jar
[INFO] Unpacking /root/.m2/repository/org/mobicents/protocols/ss7/mtp/docs/mobicents-mtp-docs-sources-mobicents/1.0.0-SNAPSHOT/mobicents-mtp-docs-sources-mobicents-1.0.0-SNAPSHOT.jar to
/home/user/src/mob-ss7-r15671/ss7/mtp/docs/jdocbook-mobicents/target/docbook/resources
with includes null and excludes:null
[INFO] Total time: 33 seconds
[INFO] Finished at: Wed Dec 08 13:11:38 CET 2010
[INFO] Final Memory: 41M/219M
[INFO] ------------------------------------------------------------------------