I found a lot of solutions but they didn’t help me. I defined variables in /home/username/.zshrc And variables were defined because: Also command below works fine: I try to build a project Answer In tried many files with env variable for my linux In manjaro linux it needs to write env variables only in …
Tag: java
How do I install a SQL Server Java driver into a linux docker container?
The docker image definition below does not contain according to the documentation a SQL Server driver. How can I install it? Documentation: https://github.com/camunda/docker-camunda-bpm-platform Docker File Answer I was able to make it work after several days. Steps Download JDBC Driver from Microsoft Site, V…
What does this command means – “nohup ./standalone.sh -b 0.0.0.0 &”?
I have a heavy application running on jboss-7.1.1 on linux server. I came across this command to start the jboss “nohup ./standalone.sh -b 0.0.0.0 &”. But i want to understand more about this command line. Also the nohup.out file size keeps on increasing day by day. Is it due to the command li…
Why can’t DataNode download file?
It’s very strange.I have seen NameNode and DataNode that they have already started in jps command.I can go into the NameNode WebSite(50070) and use “hdfs dfs -get” to get file.But I can’t download file from the NameNode WebSite. Answer The problem is because the /etc/hosts file.I confi…
Can’t Install Jenkins even though I have JAVA 8
Ubuntut 14.04 LTS According to this I need JAVA 8 and so I downloaded both the JDK and JRE. Unfortunately when attempting to install jenkins again I still get the error message Checking my $PATH and it shows the following The java that should be used is 8. Even running Gives me what I expect Why do I get the
Running process that feeds on pipe STDOUT is untrackable until something is fed to pipe STDIN
I’m trying to implement named PIPE based inter-process communication between a running java program and console. Contents of java program (Test.java) are: Program was compiled using: A named pipe was created: Then program was ran as consumer of pipe STDOUT: Then, using console, I’m sending a ping …
Linux java, max disk space size of file
I want to ask, if: -Xms1000M -Xmx1000M Are commands for Java (Linux) for maximum file usage of RAM, is there opinion to do same with Disc space? Example to set max file size at running it, same as for RAM, just for HDD/SSD space. Thanks to all in advance. Answer First of all, the -Xms1000M and -Xmx1000M do no…
ObjectStream’s magic number in the header is changed while putting file on a linux server
Hope you are doing well. The strange thing happened to me since yesterday. I have the following code for saving the JSON. and the following code for reading it. I’m writing the JSON via saveCacheJson and then putting the file to my Server (Linux) and then my ‘front end’ part downloads it and…
Cannot execute command as another user with sudo
I have this code, that is running on tomcat: And my script.sh file: From command line, the script is executed excellent and I see results. But when executing it from tomcat I get this message: I cannot solve this problem. I need your help. P.S: Sorry me for bad english. Thanks! Answer I guess that the problem…
How do jps, jinfo, jstat, jmap and jstack get information about local Java processes?
How does jps get information about all the local java processes? Does it connect to some local server process to fetch the information? How do jinfo, jstat, jmap, and jstack get information about a local java process? Do they connect to some local server process(es) to fetch the information? Is jstatd only us…