I added the following as java option, -javaagent:D:\apache-tomee-plus-1.6.0-SNAPSHOT\lib\openejb-javaagent.jar
and the WARNING is no longer in the catalina/tomcat7-stderr log. On Sat, May 4, 2013 at 5:02 PM, Howard W. Smith, Jr. <[email protected] > wrote: > Well, I was just looking at the server log on production server. Please > note/remember that I am using TomEE 1.6.0 snapshot (2013-04-29). The > WARNING below makes me think that I should add the javaagent to my memory > options. Please advise. > > > May 04, 2013 8:05:35 AM > org.apache.openejb.assembler.classic.Assembler$PersistenceClassLoaderHandlerImpl > addTransformer > > WARNING: JAVA AGENT NOT INSTALLED. The JPA Persistence Provider requested > installation of a ClassFileTransformer which requires a JavaAgent. See > http://openejb.apache.org/3.0/javaagent.html > > > Below are the lines that followed t he above lines in server/catalina log. > As you see below, i'm using EclipseLink as my JPA provider. > > May 04, 2013 8:05:35 AM > org.apache.openejb.assembler.classic.ReloadableEntityManagerFactory > createDelegate > INFO: PersistenceUnit(name=mcmsPU, > provider=org.eclipse.persistence.jpa.PersistenceProvider) - provider time > 653ms > > > I guess I should add javaagent to my tomee java options. Right? > > > On Sat, Apr 6, 2013 at 11:57 AM, Howard W. Smith, Jr. < > [email protected]> wrote: > >> interesting. okay, well, you and I discussed something similar (months >> ago), and at that time you advised that I can/should consider weaving my >> jpa entities for better performance, but honestly, i never did that, and >> therefore, at the moment, i really have no need for this being added to my >> java options. :) >> >> as always, thanks Romain! >> >> >> >> On Sat, Apr 6, 2013 at 10:56 AM, Romain Manni-Bucau < >> [email protected]> wrote: >> >>> The javaagentis used for jpa enhancement. Not having itmeans you dont use >>> it (hibernate or build time enhancement) >>> Le 6 avr. 2013 16:07, "Howard W. Smith, Jr." <[email protected]> a >>> écrit : >>> >>> > What are the pros/cons of adding the following to java options when >>> running >>> > app in/on TomEE via (Windows) service? >>> > >>> > >>> -javaagent:C:\apache-tomee-plus-1.6.0-SNAPSHOT\lib\openejb-javaagent.jar >>> > >>> > I recognized that NetBeans adds this automatically to java options, >>> when I >>> > start TomEE via netBeans. I recognized this while trying to get the >>> > Sampler>Memory button enabled in Java Visual VM for TomEE running as >>> > Windows service on production server[1]. >>> > >>> > So, I added openejb-javaagent.jar to java options, and that did not >>> solve >>> > the problem (and after some research, sampler>memory button will be >>> > enabled, if tomee-running-as-service and java visual vm...are the same >>> > 'user'...that's my assumption, at least). >>> > >>> > So, back to the question, what are the pros/cons of adding >>> > openejb-javaagent.jar to java options of tomee-running-as-service? >>> > >>> > Thanks, >>> > Howard >>> > >>> > [1] >>> > >>> > >>> http://stackoverflow.com/questions/8799929/visualvm-unable-to-sampler-memory >>> > >>> >> >> >
