Error Occurred During Initialization Vm Tomcat
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This Site Careers Other all forums Forum: Tomcat Could not reserve enough space for object heap Nancy Dawson Greenhorn Posts: 13 posted 10 years ago I am having problem starting my tomcat , Pls the errors are "Error occurred during initialization of VM Could not reserve tomcat error occurred during initialization of vm java lang noclassdeffounderror java lang object enough space for object heap Could not create the Java virtual machine." Scott Johnson error occurred during initialization of vm linux Ranch Hand Posts: 518 posted 10 years ago First shutdown non-essential applications to free some memory. If that doesn't work, look in the
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Tomcat conf directory and open the workers2.properties. Under the [vm:] section, post the parameters so we can see how you've configured Tomcat. Do you see a parameter like "OPT=-Xmn???M" ? Change the number to a smaller value and try
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starting Tomcat again. (I'm assuming you are using Tomcat 5.5, if not the conf file may be different.) Ben Souther Sheriff Posts: 13411 I like... posted 10 years ago How did you install Tomcat? How do you start/stop Tomcat? If that doesn't work, look in the Tomcat conf directory and open the workers2.properties. Unless she's using a connector (For Apache HTTPD or IIS) she probably doesn't have a workers2.properties file. Java API J2EE API Servlet Spec JSP error occurred during initialization of vm mac Spec How to ask a question... Simple Servlet Examples jsonf Nancy Dawson Greenhorn Posts: 13 posted 10 years ago Originally posted by Ben Souther: How did you install Tomcat? How do you start/stop Tomcat? Unless she's using a connector (For Apache HTTPD or IIS) she probably doesn't have a workers2.properties file. I installed tomcat by unzipping the apache file i downloaded I am starting tomcat by using ./startup.sh Stopping by using ./shutdown.sh Ben Souther Sheriff Posts: 13411 I like... posted 10 years ago OK, (with Windows, altering the heap settings is different depening on whether you've installed as a service or not), you're on *nix.. You can increase the heap space settings by adding the following line to your {tomcat install}/conf/catalina.sh file (in bold): # of catalina startup java process, when start (fork) is used # # $Id: catalina.sh 345508 2005-11-18 15:54:56Z yoavs $ # ----------------------------------------------------------------------------- export JAVA_HOME=/usr/local/jdk1.5.0 [B]JAVA_OPTS='-Xms128m -Xmx128m'[/B] Xms is the initial heap size. Xmx is the max heap size. By default the JVM uses 64M which may not be enough for your app. [ October 04, 2006: Message edited by: Ben Souther ] Java API J2EE API Servlet Spec JSP Spec How to ask a question... Simple Servlet Examples jsonf Ben Souther Sheriff Posts: 13411 I like... posted 10 years ago Also, does your machine have enough ram to run Tomcat? Java API J2EE
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more about Stack Overflow the company Business Learn more about hiring developers or posting error occurred during initialization of vm unix ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community jboss error occurred during initialization of vm Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Tomcat problem - Could not reserve enough space up vote https://coderanch.com/t/86388/Tomcat/reserve-space-object-heap 3 down vote favorite 2 I am running server with 256MB RAM. Maximum heap size I can allocate for Java is 110MB. When I add those param to JAVA_OPTS I can run java -version. Problem is that I can not run Tomcat with these parameters. Maximum heap size for Tomcat to run is 40MB. I do not know why I can not allocate more memory? Of course I get http://stackoverflow.com/questions/6235701/tomcat-problem-could-not-reserve-enough-space error: Error occurred during initialization of VM Could not reserve enough space for object heap Could not create the Java virtual machine. java tomcat memory heap heap-memory share|improve this question asked Jun 4 '11 at 8:40 ZenQW 156124 Are you sure enough memory remains for this size of heap? Check free memory space on your server. –Farshid Zaker Jun 4 '11 at 8:42 My main problem is: why I can not allocate 110MB to Tomcat heap size if I can do it for Java? –ZenQW Jun 4 '11 at 8:57 add a comment| 3 Answers 3 active oldest votes up vote 2 down vote Set CATALINA_OPTS to -Xmx110m, JAVA_OPTS. I suppose you could set both, to be sure. share|improve this answer answered Jun 4 '11 at 8:43 Sean Owen 49.2k1393143 I also tried setting CATALINA_OPTS to -Xmx110m and I get error. –ZenQW Jun 4 '11 at 8:56 add a comment| up vote 2 down vote The Xmx flag may be ignored when you run the java executable with the -version flag. This depends on how you pass the version flag. The following are the results on my machine with 2GB RAM: Version flag passed before Xmx C:\Users\Reynolds>j
Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site http://serverfault.com/questions/130689/tomcat-6-0-service-does-not-start-java-lang-noclassdeffounderror About Us Learn more about Stack Overflow the company Business Learn more about http://unix.stackexchange.com/questions/109653/java-could-not-reserve-enough-space-for-object-heap-even-though-there-is-enoug hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best error occurred answers are voted up and rise to the top Tomcat 6.0 service does not start: java/lang/NoClassDefFoundError up vote 7 down vote favorite I installed Tomcat on my Windows server but I can't get it to start. I start the service and I see the progress bar, but it fails. I installed the Java Runtime Environment Version 6 and created JRE_HOME Environment variable. (C:\Program Files\Java\jre6) Below is error occurred during the jakarta_serviceYYYMMDD.log entries: [2010-04-08 14:22:42] [info] Commons Daemon procrun (1.0.2.0) started [2010-04-08 14:22:42] [info] Running Service... [2010-04-08 14:22:42] [info] Starting service... [2010-04-08 14:22:42] [info] Error occurred during initialization of VM [2010-04-08 14:22:42] [info] java/lang/NoClassDefFoundError [2010-04-08 14:22:42] [info] : java/lang/Object How can I fix this problem? windows-xp tomcat java tomcat6 share|improve this question edited Feb 22 '12 at 5:25 Wesley 26.7k760108 asked Apr 8 '10 at 19:52 James Lawruk 3471616 add a comment| 5 Answers 5 active oldest votes up vote 5 down vote accepted By the look of the error the Tomcat native launcher does not find the rt.jar file in your JRE install. Make sure that: the JVM is correctly installed; the JRE_HOME variable points to it. share|improve this answer answered Apr 9 '10 at 6:21 Robert Munteanu 78831631 Yep. The rt.jar file was missing for some reason. Uninstalled and reinstalled the JRE and now Tomcat works. Thanks! –James Lawruk Apr 9 '10 at 13:44 add a comment| up vote 3 down vote I had the same error with Windows 7, Tomcat 7.0, and JDK 1.6.0_31. I fixed it by changing the path to the JVM from C:\Program Files\Java\jre6\bin\server\jvm.dll to C:\Program Files\Java\jdk1.6.0_31\jre\bin\server\jvm.dll. To do
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Unix & Linux Questions Tags Users Badges Unanswered Ask Question _ Unix & Linux Stack Exchange is a question and answer site for users of Linux, FreeBSD and other Un*x-like operating systems. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Java “Could not reserve enough space for object heap” even though there is enough RAM up vote 6 down vote favorite 1 I am currently having some issues running Java. It won't start because of heap issues. But I have more than 9 GB Ram free (or even 16 GB if you assumed the cache would be empty). This is the error I get (and the free command) root@server: ~ # java Error occurred during initialization of VM Could not reserve enough space for object heap Error: Could not create the Java Virtual Machine. Error: A fatal exception has occurred. Program will exit. root@server: ~ # free total used free shared buffers cached Mem: 25165824 15941148 9224676 0 0 7082176 -/+ buffers/cache: 8858972 16306852 Swap: 0 0 0 I am running a 64 bit Debian on a virtualized server. The virtualization software is OpenVZ. This is my Java version (I can execute this command after I stop two of my VM's (4 currently running)): root@server: ~ # java -version java version "1.7.0_45" Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode) What could I do? As requested: root@server: ~ # cat /proc/meminfo MemTotal: 25165824 kB MemFree: 11723412 kB Cached: 4597552 kB Active: 9692308 kB Inactive: 3322544 kB Active(anon): 7411960 kB Inactive(anon): 1005340 kB Active(file): 2280348 kB Inactive(file): 2317204 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 0 kB SwapFree: 0 kB Dirty: 960 kB Writeback: 0 kB AnonPages: 8417300 kB Shmem: 21504 kB Slab: 427452 kB SReclaimable: 383424 kB SUnreclaim: 44028 kB Reguest2: root@server: ~ # cat /proc/user_beancounters Version: 2.5 uid r