I'm experimenting with the cool feature of running Java applications introduced in Genode 19.02. I created a run script (= "copied java.run and made some minor changes") that builds and integrates a trivial Java example (check prime) [1].
It works as expected for BOARD=linux and KERNEL=linux. But for BOARD=pc and KERNEL=[hw|nova] it doesn't. Actually, I have two issues I don't understand: 1. Java cannot load the jar file: [init -> java] Error: Invalid or corrupt jarfile app.jar A workaround is to pack it into a tar file and mount it accordingly into the VFS. 2. Reading the numbers from stdin leads to: no RM attachment (READ pf_addr=0x5617b8 pf_ip=0x49a10 from pager_object: pd='init -> java' thread='pthread') Warning: page fault, pager_object: pd='init -> java' thread='pthread' ip=0x49a10 fault-addr=0x5617b8 type=no-page no RM attachment (READ pf_addr=0x4e6838 pf_ip=0x276e23f from pager_object: pd='init -> java' thread='pthread') Warning: page fault, pager_object: pd='init -> java' thread='pthread' ip=0x276e23f fault-addr=0x4e6838 type=no-page no RM attachment (WRITE pf_addr=0x49d300 pf_ip=0x82a79 from pager_object: pd='init -> java' thread='alarm-timer') Warning: page fault, pager_object: pd='init -> java' thread='alarm-timer' ip=0x82a79 fault-addr=0x49d300 type=write-fault I would have expected the run script to be platform independent. Can someone explain why it isn't? Thanks, Roman [1] https://github.com/rite/genode-world/commit/84e72ed8433114b9c0624ed1f55aeff5317ebc53
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