![]() ![]() It's a shame that the automated JDK update facility provided by Java breaks our application. Sometimes even that fails, though, with the message "The jar-file 'reach-stream-installer-izpack.jar' could not be executed." (IzPack being the automated installer tool we use). (1) usually works for us because we have an installer for the app which will also install a clean version of Java if required. We have found two workarounds: (1) reinstall the app (2) reinstall Java. If you get the noclassdeffound error for java/lang/Object, it's a pretty good bet that the combination of a JDK upgrade with a long-running Java app has left you with a corrupt JDK/JRE. One symptom of this is to open a command window and type "java -version". But if there's a long-running Java app running at the same time as the update is taking place, that app will have various Java libs and exe's (like the main jre.exe) locked, and the Java update fails. There might be one or two renames left to do when the install finishes, and those renames are supposed to happen after a reboot. Note: A separate Apache Tomcat console window opens. ![]() ![]() To start the server, do these steps: To start the server from the command line, change to the JazzInstallDir/server directory and run the following command: -tomcat. C:Program FilesJavajre1.8.073binserverjvm. If you configured the Tomcat server as a Windows service, you must instead start the service. We create it as a Windows service with the 'procrun' mechanism in Apache Commons Daemon, which is the same way the Tomcat Windows service works.įrom hints of other reports of this, it seems like the Java update process moves/renames files as part of upgrading to the new version. Locate the Java install path folder on the JasperSoft server Run Tomcat8w.exe to launch the Tomcat Service Manager Program and access the 'Java' tab Update the Java Virtual Machine path to the current JRE installation folder (i.e. can also start Tomcat (in Windows 8.1) from the Task Manager > Services tab. We have observed this with a long-running (but not Tomcat) Java app that runs as a Windows service. This tutorial explains how to install the Apache Tomcat Java Servlet 8 on. ![]()
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