intellij glues in the aparapi. see below stacktrace

/opt/jdk1.7.0_10/bin/java -Djava.library.path=/home/jim/work/aparapi/com.amd.aparapi.jni/dist -Dfile.encoding=UTF-8 -classpath
[...]:/home/jim/work/aparapi/com.amd.aparapi/dist/aparapi.jar fr.cryptohash.Speed SHA256
Speed test: SHA-256
Exception in thread "main" java.lang.IllegalStateException: Cannot send null refs to kernel, reverting to java
	at com.amd.aparapi.KernelRunner.updateKernelArrayRefs(KernelRunner.java:1223)
	at com.amd.aparapi.KernelRunner.executeOpenCL(KernelRunner.java:1306)
	at com.amd.aparapi.KernelRunner.execute(KernelRunner.java:1603)
	at com.amd.aparapi.Kernel.execute(Kernel.java:1774)
	at com.amd.aparapi.Kernel.execute(Kernel.java:1705)
	at com.amd.aparapi.Kernel.execute(Kernel.java:1675)
	at fr.cryptohash.SHA2Core.processBlock(SHA2Core.java:146)
	at fr.cryptohash.DigestEngine.update(DigestEngine.java:180)
	at fr.cryptohash.DigestEngine.update(DigestEngine.java:164)
	at fr.cryptohash.MDHelper.makeMDPadding(MDHelper.java:110)
	at fr.cryptohash.SHA2Core.doPadding(SHA2Core.java:123)
	at fr.cryptohash.DigestEngine.digest(DigestEngine.java:131)
	at fr.cryptohash.Speed.speedUnit(Speed.java:300)
	at fr.cryptohash.Speed.speed(Speed.java:250)
	at fr.cryptohash.Speed.main(Speed.java:210)

Process finished with exit code 1