IBM's J9 Java Virtual Machine
IBM's J9 Java virtual machine which powers the IBM Java SDK.
Questions tagged [j9]
39 questions
1
vote
1 answer
Profiling WebSphere with hprof for CPU SAMPLES output
I'm trying to profile WebSphere using hprof over IBM stack (J9 JVM on AIX / Linux). Specifically, I'm interested in the CPU samples output from hprof, and particularly, the startup time (from the time WS is started until it is "ready for…
valiano
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vote
2 answers
JDBC support on J2ME
Currently I am trying to run an existing java application on a Windows Mobile 6.1 device. The java application had been developed for server side and uses JDBC. My problem is that the Java application uses the java.sql.DriverManager which is not…
dprapas
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1 answer
Xerces behaving differently on SUN JRE v1.5 and IBM J9 v1.5
I am trying to parse some HTML using NekoHTML.
The problem is that when the below code snippet is executed on the SUN JDK 1.5.0_01 it works fine (this is when i am using eclipse with sun jre). But when the same thing is executed on IBM J9 VM (build…
Favonius
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Files.probeContentType(Path) does return NULL for any file
When determining the content type of a file with Files.probeFileContent(Path) for each file the result is null.
Environment:
java version "1.8.0"
Java(TM) SE Runtime Environment (build pap6480sr1fp1-20150603_01(SR1 FP1))
IBM J9 VM (build 2.8, JRE…
Hannes
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1 answer
Linking problems with JNI when going from Java 1.5 to 1.6 under IBM J9
Some change in the IBM J9 JVM 1.6 (over 1.5) causes a linkage error we were experiencing to cause a runtime exception. Specifically, we’re using the JNI to load a shared library that contains object files with the code:
extern _edata;
extern…
Arthur
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2 answers
Ibm J9 internet Connection on windows mobile
I need to manage the GPRS connection on a JavaME application (start an internet connection automatically or ask user to select some connection) in a symbol handheld device with Windows Mobile 5. I'm developing this application with Java 1.3 and…
1
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2 answers
Does Cassandra works with IBM JVM
Can I install and start Cassandra into a x-linux OS with a IBM SDK for Java?
Will that work? Any specific version? 2.1, 2.0 that will work ?
Thanks in advance.
mouse smart
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1 answer
How to prevent or remove orphaned IBM J9VM process programmatically
I would like to know if there is a way to, if best, prevent, or otherwise remove orphaned IBMJ9VM programmatically. It is mentioned in IBM's documentation that doing a CTRL-C will create orphan JVM process.
Nicholas
Nicholas Key
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2 answers
Massive performance loss when using IBM JVM on AIX 7
I have following piece of code:
List array = new ArrayList<>();
for (int i = 0; i < 30000; i++)
{
array.add(Long.valueOf(i));
}
for (int j = 0; j < 30000; j++)
{
for (int…
Uhla
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vote
2 answers
SSL HandShakeException: No_Certificate. Using IBM's J9 JVM and Apache Tomcat
I am developing a mobile application that is to run on a Windows Mobile PDA. The application is written in Java and to run it we are using the J9 JVM from IBM. The application communicates with an Apache Tomcat server over HTTP and we are trying…
DaveJohnston
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1
vote
2 answers
Database on a J9 JVM (J2ME)
I have a mobile device with an NXP processor running an IBM J9 JVM.
System props are telling me that 'JRE Version: J2ME Foundation Specification v1.1' is available.
Do you see any possibility to get a database up and running in such a runtime…
marrrschine
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vote
1 answer
Keytool error importing SSL certificate into J9 keystore
We trying to import main certificate into keystore caserts J9 mobile VM. The exception:
keytool error: java.security.NoSuchAlgorithmException: 1.2.840.113549.1.1.11
Certificates algorithm is sha2-256 with 2048 bit key (or 4096 bit in production…
Boris Y.
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vote
1 answer
Install J9 JRE in Eclipse
Searching the web for tutorials on how to use J9 as a JRE within Eclipse, I found some websites and forums like the following:
http://www.javalobby.org/java/forums/t98578.html
http://www.ibm.com/developerworks/lotus/library/sametime-eclipse-pt1/
The…
Robert M.
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how to enable Jetty debug log in 9.4.44 Logging initialized output (seen at INFO level)
I am using Jetty 9.4.44 and for jetty debug logs I have added jetty-logging.properties in classpath
Setup logging implementation
org.eclipse.jetty.util.log.class=org.eclipse.jetty.util.log.StdErrLog
org.eclipse.jetty.LEVEL=INFO
Make websocket…
Imdad Ali
- 11
- 2
0
votes
2 answers
How do I compile OpenJ9 on Fedora/RHEL/CentOS?
The default OpenJ9 build instructions use Docker, but I'd like to compile without Docker; specifically, on RHEL 7.3.
kgibm
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