All Questions
47 questions
0votes
1answer
38views
Issue Starting Java Application on RHEL Server
I’m experiencing an issue when trying to start a Java application on a RHEL server. I’m confident that the application itself is configured correctly, as it runs without any problems on other servers. ...
- 1
0votes
0answers
58views
Linux Server swap memory problem
I have the same problem on all servers running Java processes. I have lots of available memory. But my swap is full of Java-related pages. But the system never cleans its swap, Java pages stay there &...
2votes
0answers
412views
Java process getting terminated in Redhat by SIGTERM from Systemd
I'm starting a Java process using nohup and & (running it in the background). This process gets terminated frequently. There is no pattern on when it is getting terminated. From the application (...
- 121
1vote
1answer
2kviews
Refer another Java version in a systemd service file
I have an application which requires JAVA_HOME environment to be set for a successfull running. On the RHEL server, however the current version of java points to "openjdk version "1.8.0_302&...
- 111
0votes
0answers
3kviews
How to verify the enabled Ciphers through OpenSSL in RHEL 8.5
Our Java Application is functioning on RHEL 8.5 OS platform with TLSv1.2 protocol. Here, to improve the security, We want to enable only a few ciphers and need to block others. CIPHERS TO BE ENABLED: ...
- 21
1vote
0answers
1kviews
how to set the value of Hive Metastore heap size
we have hadoop cluster ( based on ambari platform ) , when hive metastore installed on two machines Sometime during job running ( we runs the queries from presto ) we saw job failure due to heap size. ...
- 13.9k
0votes
1answer
232views
RHEL7 - very long start times on JRE
I'm using RHEL7, and I've ran into problems with Pycharm where it takes a very long time to start, a few minutes. According to the logs, it's mostly waiting for the JRE/JVM to start. So I tried to ...
- 111
0votes
0answers
649views
javac -version command not found error in rhel 7.3
I followed this documentation to install java-1.8.0-openjdk-1.8.0.272.b10-1.portable.jdk.el.x86_64.tar.xz into RHEL 7.3. In section 2.4. Installing OpenJDK on RHEL using an archive, at the last step, ...
0votes
1answer
403views
Couldn't load JVM and says cannot open shared object file
created a brand new Linux VM on azure cloud. Installed JDK 1.8 and setup the JAVA_HOME path also. When running a vendor provided command it says Error 58000: Couldn't load JVM: /usr/lib/jvm/java-11-...
- 227
1vote
1answer
5kviews
alternatives java -OpenJDK RHEL
I have the following setup (on multiple machines with RHEL7): $ which java /usr/bin/java $ ls -ltr /usr/bin/java /usr/bin/java -> /etc/alternatives/java $ ls -ltr /etc/alternatives/java /etc/...
- 369
0votes
0answers
610views
How to search for dependencies for Java 8 yum install?
I inherited ansible playbook that installs java 1.8.0_181 via yum module on rhel server. My plan is to upgrade to java 1.8.0_221. While reviewing the playbook, I noticed it would install copy-jdk-...
- 885
0votes
2answers
3kviews
java -version and $JAVA_HOME display wrong information
I have a RHEL 7 server. Installed java version is jdk1.8.0_151 # ls -l /usr/java total 0 drwxr-xr-x. 8 root root 255 Apr 24 14:10 jdk1.8.0_151 I set JAVA_HOME location and added bin directory to PATH ...
0votes
1answer
295views
JVM memory + dose heap size Xmx values have impact on consuming memory
we have linux redhat machines with service ( service is based on java ) for now service consume 1.5G memory , and the heap size set to Xmx2G let say we increase the heap size to Xmx10G dose this ...
- 13.9k
0votes
1answer
3kviews
download java-1.8.0-openjdk-devel from epel repo
we have redhat machine - version 7.2 we installed the epel repo as the following rpm -ivh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm yum install epel-release yum ...
- 13.9k
2votes
1answer
639views
systemctl stop not stopping all process in redhat
I am starting a service using systemctl ,but I am facing issue to stop the service in redhat system. the service file I am creating : [Unit] Description=/home/agenttest After=syslog.target [Service] ...
