Is the version of the JRE that you are running broken? Try running Hello World from the z/OS UNIX shell - making sure to point to the same exact JRE
https://www.tutorialkart.com/java/helloworld-java/ Kirk Wolf Dovetailed Technologies https://coztoolkit.com On Mon, Dec 2, 2024, at 1:03 PM, Tom Longfellow wrote: > I am back in my own personal Hell that appears when I have to debug something > in the unix/linux world. I am here hoping to piggy back on the experiences > of others who have been thrown into the deep end and survived. > > My usual approach to debugging is to look at the messages and codes produced > during the problem... then looking up what the message REALLY means (if you > can find any documentation to help translation). That usually gets me close > enough to at least guess about what went wrong and how to fix it. > > The present problem is that the TOMCAT JAVA app server that has been running > for MANY years has now gone on strike. The 'S TOMCAT' command is met with a > U4038 abend and instant death. I do know that U4038 is the generic > "something went wrong" from the LE language environment modules. > That is ALL that I get. No unix log files, so monster JAVA stack dumps with > module names spread out over pages of dump output. NO dump output of any > kind. Nothing in the Unix syslog. Nothing written to the JES spool for > this started task. and so on. > > This post is a 'hail mary' that hopefully reaches the other poor sap who > remembers how they got out of a similar situation, > > TLDR summary: A working JAVA app now fails to start with no know trail of > how and why it failed. Where is a poor sysprog to look to find the problem? > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
