[sword-devel] sword-devel Digest, Vol 73, Issue 45

Chris Burrell chris at burrell.me.uk
Sat May 8 07:56:36 MST 2010

Hi Yiguang

Would you be able to redo a clean install with
<extraJvmArgs>-Xmx1024M -XstartOnFirstThread

i.e. withouot the -XstartOnFirstThread, but with the extra memory setting.
This option doesn't work on Windows, so I'm wondering if all you required
was the memory max.

On 28 April 2010 03:17, Yiguang Hu <yighu at yahoo.com> wrote:

> Chris,
> I followed the steps and found the problem is in test and gwt:compile. The
> following did the trick.
> <extraJvmArgs>-Xmx1024M -XstartOnFirstThread -Dconnection.string="${db.connection.string}"
> -Ddb.driver=${db.driver}</extraJvmArgs>
> So Step is build in my local now.
> thanks
> Yiguang
> ------------------------------
> *From:* Chris Burrell <chris at burrell.me.uk>
> *To:* Yiguang Hu <yighu at yahoo.com>
> *Cc:* SWORD Developers' Collaboration Forum <sword-devel at crosswire.org>;
> wes at werxltd.com; Brian Jolly <brian at brianjolly.com>
> *Sent:* Tue, April 27, 2010 6:14:50 PM
> *Subject:* Re: [sword-devel] sword-devel Digest, Vol 73, Issue 45
> Hi Yiguang
> A maven command looks like this:
> mvn phase1 phase2 phase3  or mvn plugin:goal
> During a build phase, maven invokes a number of plugins. For example,
> during the compile phase, the java compiler plugin is invoked, the gwt
> compiler is invoked, etc. So, when you're invoking mvn clean install, it is
> the same as mvn clean, followed by mvn install
> The parent pom.xml defines a number of modules. (<modules> tag) When you
> invoke mvn clean or mvn install at the top level, all it does is cds into
> each module in turn, and invokes the same command. The child poms (at the
> top of the pom) contain the reference to the parent. In a way, the mvn -pl
> <modulename> clean install command you did earlier last week is the same as
> cd <modulename> & mvn clean install
> clean basically gets rid of all the target folders under each module. When
> you invoke the build lifecycle (for e.g. install), it does all the phases
> up-to and including that.
> So mvn install can be broken down as follows
> mvn validate
> mvn compile
> mvn test
> mvn package
> mvn integration-test
> mvn verify
> mvn install
> but skips the last stage:
> mvn deploy
> If you're getting a warning about serialization, I reckon you're running
> out of memory during the GWT compiliation, which happens during the compile
> phase mentioned above.
> To prove this, I think you could try the following. First prove you can
> successfully build step-dataloader:
> 1- cd into step-dataloader
> 2- mvn clean
> 3- mvn install
> [if that works, you've got at least 1 of the 4 modules working!]
> 4- cd into step-web-app, and run
> 5- mvn clean
> 6- mvn compiler:compile (invoking the compile goal on the maven java
> compiler plugin)
> 7- mvn gwt:compile (invoking the compile goal on the gwt maven plugin)
> The warning (if it's the one I'm thinking of) is fine and due to a library
> we're using which hasn't been upgraded to GWT 2.0.
> I came across this:
> http://code.google.com/p/gwt-maven/issues/detail?id=65
> which suggests you should try increasing the memory allocated to the
> gwt:compile. so in your pom.xml, find the gwt compiler plugin (under
> <build><plugins>, find the plugin called gwt-maven-plugin and under the
> <extraJvmArguments> specify some good memory arguments, for e.g.
> -Xmx1024M -XstartOnFirstThread
> so your tag would like something like:
> <extraJvmArgs>-Xmx1024M -XstartOnFirstThread -Dconnection.string="${db.connection.string}"
> -Ddb.driver=${db.driver}</extraJvmArgs>
> Hope that helps. It might be that, because I specified the extraJvmArgs
> attribute, I lost the default of -Xmx512M and thereby the defaults are the
> OS defaults. Also, apparently the startOnFirstThread is a Mac OS specific
> argument which apparently fixes JVM issues on Mac OS Leopard
> Hope that helps!
> Chris
> On 27 April 2010 22:27, Yiguang Hu <yighu at yahoo.com> wrote:
>> Chris,
>> I am on both lists. I have not resolved OOM yet. The OOM happens during
>> mvn clean install (seems it was doing some serialization related things
>> before OOM. And I didn't notice a memory surge during the process). Will
>> look at the pom file to see how to do it by individual modules. (I am new to
>> mvn). It would be great if you can show me how to divide mvn clean install
>> into more steps for building the STEP.
>> Thanks
>> Yiguang
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