java for arm_v7a
Sebastian Sumpf
Sebastian.Sumpf at genode-labs.com
Thu Apr 13 09:08:30 CEST 2023
Hello Divya,
On 4/13/23 05:55, Divya Sharma wrote:
> While using the *javax.crypto.** library in a Java application,I got the
> following error [1] ,[2]saying that "Can not initialize the cryptographic
> mechanism".
> While inspecting the default policies got to know that permissions are already
> granted for all algorithms.
> We also set those to unlimited in java code itself using the [3] and [4].
> Still could not resolve the issue.Is there anything that we are missing out on?
> kindly give some suggestions on it .
>
>
> [1]java.lang.SecurityException: Can not initialize cryptographic mechanism
> [2]java.lang.SecurityException: Can't read cryptographic policy directory: unlimited
> [3] Security.setProperty("crypto.policy", "unlimited");
> [4] System.setProperty("java.security.properties","unlimited");
>
In [1] I see the following code:
! if (!Files.isDirectory(cryptoPolicyPath)
! || !Files.isReadable(cryptoPolicyPath)) {
! throw new SecurityException(
! "Can't read cryptographic policy directory: " +
! cryptoPolicyProperty);
! }
I would try to find out what "cryptoPolicyPath" is, what file is expected, and
put the expected file at the right place in the run script (in the <vfs> node +
boot modules).
[1] jdk/src/java.base/share/classes/javax/crypto/JceSecurity.java.template
Regards,
Sebastian
>
> On Mon, Apr 10, 2023 at 6:49 PM Divya Sharma <divyasharma26546 at gmail.com
> <mailto:divyasharma26546 at gmail.com>> wrote:
>
> Thanks, Sebastian issue is resolved.
>
> I want to run simple java code using java binary into bash shell. To achieve
> it I figured out some modification to the separate run script
> user_shell_dev.run from bash.run script .But those did not work load java
> vm in shell.
> While booting in Qemu i got the error [1] ,[3] also i am able to spawn a
> shell into the terminal but while running java in it got [2].
> It is not able to initialize the vm to run java.
> Kindly suggest a way to achieve this .
>
>
> [1][init -> java] Error occurred during initialization of VM
> init -> java] java.lang.UnsatisfiedLinkError: no zip in java.library.path
> [2]Error occurred during the initialization of vm.
> Unable to load zip lib "zip.lib.so <http://zip.lib.so>"
>
> [3][init -> /bin/bash -> 1] Error: ROM-session creation failed
> (ram_quota=6144, cap_quota=3, label="zip.lib.so <http://zip.lib.so>")
>
>
> Thanks,
> DIvya.
>
>
> On Mon, Apr 10, 2023 at 3:52 PM Sebastian Sumpf
> <Sebastian.Sumpf at genode-labs.com <mailto:Sebastian.Sumpf at genode-labs.com>>
> wrote:
>
> Hello Divya,
>
> On 4/8/23 07:45, Divya Sharma wrote:
> > While running the java.run script I got the following error
> [1]showing out of
> > memory allocation.
> > Kindly suggest the way to remove it rather than build all the required
> > dependencies and packages from scratch.
> >
> >
> >
> [1]/usr/local/genode/tool/21.05/bin/../lib/gcc/arm-none-eabi/10.3.0/../../../../arm-none-eabi/bin/as: out of memory allocating 9223372036854841471 bytes after a total of 696320 bytes
> >
>
> This looks like as if it happens when linking the boot modules of the image
> together. Maybe there are too many modules and something got too big? By
> the
> size of the allocation clearly something did overflow, but it's hard to
> tell
> without the actual scenario. What did you change in the "java.run" script?
>
> Regards,
>
> Sebastian
>
> >
> >
> >
> > On Wed, Apr 5, 2023 at 11:02 PM <ttcoder at netcourrier.com
> <mailto:ttcoder at netcourrier.com>
> > <mailto:ttcoder at netcourrier.com <mailto:ttcoder at netcourrier.com>>> wrote:
> >
> >
> >>
> >> Hello Genodians,
> >>
> >> I am able to run java.run in virt_qemu-arm_v7a. The output is
> directed to
> >> log [ stdout="/dev/log" ], is there a way to redirect the sdtout to
> >> terminal [ stdout="/dev/terminal" ] instead of log?
> >>
> >>
> >
> > My two cents : the way I do it here is to modify the "config"
> scenario file
> > this way:
> > - keep stdout set to "/dev/log"
> > - modify the routing to : <route> <service name="LOG"> <child
> > name="terminal_log"> ...
> > - add a terminal_log component
> > - add a terminal component.
> >
> > It works for me... But if there is a way to specify
> stdout="/dev/terminal"
> > instead, that might be of interest to me as well.
> >
> > Cedric
> >
> >
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> --
> Sebastian Sumpf
> Genode Labs
>
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Sebastian Sumpf
Genode Labs
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