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{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Seg fault in bindJavaMethodsToCFunctions ?","articleBody":"I developed an app using Bridj with WebSphere Liberty, and it seemed to work fine on my dev machine, but when I tried to deploy it on another Ubuntu machine, I get this error during initialization time:\n\n```\nUnhandled exception\nType=Segmentation error vmState=0x00000000\nJ9Generic_Signal_Number=00000004 Signal_Number=0000000b Error_Value=00000000 Sig\nnal_Code=00000001\nHandler1=00007EFC73D79A90 Handler2=00007EFC736BA870 InaccessibleAddress=00000000\n00000010\nRDI=0000000001E9E100 RSI=00007EFBE4316028 RAX=00007EFC73FFB280 RBX=0000000001E9E\n198\nRCX=00007EFC6CA127E0 RDX=0000000000000000 R8=00007EFBE4315F50 R9=00007EFC73FFF66\n0\nR10=00007EFC6E11FA80 R11=0000000000000001 R12=0000000001E9E100 R13=0000000000000\n000\nR14=00007EFBE4317480 R15=0000000000000000\nRIP=00007EFC73D8591C GS=0000 FS=0000 RSP=00007EFC6E11FC40\nEFlags=0000000000210202 CS=E033 RBP=0000000001E9E100 ERR=0000000000000004\nTRAPNO=000000000000000E OLDMASK=0000000000000000 CR2=0000000000000010\nxmm0 0000000000000167 (f: 359.000000, d: 1.773696e-321)\nxmm1 0000000000000021 (f: 33.000000, d: 1.630417e-322)\nxmm2 0000000000000001 (f: 1.000000, d: 4.940656e-324)\nxmm3 00000000000000e0 (f: 224.000000, d: 1.106707e-321)\nxmm4 0000000000000004 (f: 4.000000, d: 1.976263e-323)\nxmm5 0000000000000001 (f: 1.000000, d: 4.940656e-324)\nxmm6 0000000000000001 (f: 1.000000, d: 4.940656e-324)\nxmm7 3bbcc86800000000 (f: 0.000000, d: 6.095003e-21)\nxmm8 0000000000000000 (f: 0.000000, d: 0.000000e+00)\nxmm9 0000000000000000 (f: 0.000000, d: 0.000000e+00)\nxmm10 0000000000000000 (f: 0.000000, d: 0.000000e+00)\nxmm11 0000000000000000 (f: 0.000000, d: 0.000000e+00)\nxmm12 000000000000ff00 (f: 65280.000000, d: 3.225261e-319)\nxmm13 3c38000000000000 (f: 0.000000, d: 1.301043e-18)\nxmm14 3c6d87e6a354d056 (f: 2740244480.000000, d: 1.280697e-17)\nxmm15 4030a2b23f3baa00 (f: 1060874752.000000, d: 1.663553e+01)\nModule=/opt/ibm/ibm-java-x86_64-80/jre/lib/amd64/compressedrefs/libj9vm28.so\nModule_base_address=00007EFC73D05000\nTarget=2_80_20160106_284759 (Linux 3.13.0-85-generic)\nCPU=amd64 (16 logical CPUs) (0x7d6ee0000 RAM)\n----------- Stack Backtrace -----------\n(0x00007EFC73D8591C [libj9vm28.so+0x8091c])\nJava_org_bridj_JNI_bindJavaMethodsToCFunctions+0x301 (0x00007EFC6C8054F1 [libbridj.so+0xe4f1])\n(0x00007EFC73D9157D [libj9vm28.so+0x8c57d])\n---------------------------------------\n```\n\nThe JVM on the deploy machine is newer than on my dev machine, but I didn't think that would matter.  Any insight as to what would cause a segmentation error in bindJavaMethodsToCFunctions?\n\nThis is from the deploy machine:  (where it fails)\nLaunching defaultServer (WebSphere Application Server 8.5.5.3/wlp-1.0.6.cl50320140731-0257) on IBM J9 VM,\n\nAnd on my dev machine, where it works:\nLaunching defaultServer (WebSphere Application Server 8.5.5.2/wlp-1.0.5.cl50220140403-1858) on OpenJDK 64-Bit Server VM, version 1.7.0_85-b01 (en_US)\n","author":{"url":"https://github.com/matt-ny","@type":"Person","name":"matt-ny"},"datePublished":"2016-05-12T04:58:57.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":0},"url":"https://github.com/573/nativelibs4java/issues/573"}