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Subject: RE: javadoc throws NPE
Date: Fri, 21 May 2010 14:22:05 +0200
Message-ID: 
 <CE0B1CBEB766E64FA8B939F104CBB3AE0221536C@rutvica.intranet.srce.hr>
In-Reply-To: <BLU142-W80E599321415CDF49911DAEE30@phx.gbl>
Thread-Topic: javadoc throws NPE
Thread-Index: Acr4QOL/i721sCLIQ4e/weEQMXHueAAnO/FQ
References: 
 <CE0B1CBEB766E64FA8B939F104CBB3AE022152CD@rutvica.intranet.srce.hr>
 <BLU142-W80E599321415CDF49911DAEE30@phx.gbl>
From: =?iso-8859-2?Q?Denis_Kranj=E8ec?= <denis.kranjcec@srce.hr>
To: "Maven Users List" <users@maven.apache.org>

Martin, thanks for reply.

I'm using default values:
outputDirectory: ${project.build.directory}/apidocs
reportOutputDirectory: ${project.reporting.outputDirectory}/apidocs


Maven/javadoc plugin generate javadoc.bat in target\site\apidocs:
"C:\Program Files\Java\jdk1.6.0_20\jre\..\bin\javadoc.exe" @options
@packages @argfile

When I run that javadoc.bat from prompt javadoc throws same exception:
...
Generating
C:/ci/svn/project/project-name/trunk/target/site/apidocs\mypackage/\pack
age-use.ht
ml...
java.lang.NullPointerException
        at
com.sun.tools.doclets.formats.html.PackageUseWriter.generatePackageUse(P
ackageUseWriter.java:180)
        at
com.sun.tools.doclets.formats.html.PackageUseWriter.generatePackageList(
PackageUseWriter.java:124)
        at
com.sun.tools.doclets.formats.html.PackageUseWriter.generatePackageUse(P
ackageUseWriter.java:110)
        at
com.sun.tools.doclets.formats.html.PackageUseWriter.generatePackageUseFi
le(PackageUseWriter.java:99)
        at
com.sun.tools.doclets.formats.html.PackageUseWriter.generate(PackageUseW
riter.java:78)
        at
com.sun.tools.doclets.formats.html.ClassUseWriter.generate(ClassUseWrite
r.java:116)
        at
com.sun.tools.doclets.formats.html.HtmlDoclet.generateOtherFiles(HtmlDoc
let.java:92)
        at
com.sun.tools.doclets.internal.toolkit.AbstractDoclet.startGeneration(Ab
stractDoclet.java:122)
        at
com.sun.tools.doclets.internal.toolkit.AbstractDoclet.start(AbstractDocl
et.java:64)
        at
com.sun.tools.doclets.formats.html.HtmlDoclet.start(HtmlDoclet.java:42)
        at
com.sun.tools.doclets.standard.Standard.start(Standard.java:23)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
a:39)
        at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
Impl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at
com.sun.tools.javadoc.DocletInvoker.invoke(DocletInvoker.java:269)
        at
com.sun.tools.javadoc.DocletInvoker.start(DocletInvoker.java:143)
        at com.sun.tools.javadoc.Start.parseAndExecute(Start.java:340)
        at com.sun.tools.javadoc.Start.begin(Start.java:128)
        at com.sun.tools.javadoc.Main.execute(Main.java:41)
        at com.sun.tools.javadoc.Main.main(Main.java:31)

options file in same folder:
-classpath
'C:/ci/svn/XXX.jar'
-encoding
'Cp1250'
-protected
-sourcepath
'C:/ci/svn/project/project-name/trunk/src/main/java'
-author
-bottom
'Copyright &#169; 2006-2010 <a
href=3D"http://www.example.com">Example</a>. All Rights Reserved.'
-charset
'UTF-8'
-d
'C:/ci/svn/project/project-name/trunk/target/site/apidocs'
-docencoding
'UTF-8'
-doctitle
'PROJECT_NAME PROJECT_VERSION-SNAPSHOT API'
-link
'http://java.sun.com/javase/6/docs/api'
-use
-version
-windowtitle
'PROJECT_NAME PROJECT_VERSION-SNAPSHOT API'


packages file in same folder:
mypackage
mypackage.management
mypackage.management.statistika


argfile file in same folder:
'C:/ci/svn/project/project-name/trunk/src/main/java/ABCMain.java'
'C:/ci/svn/project/project-name/trunk/src/main/java/XYZ.java'


Regards,
Denis

-----Original Message-----
From: Martin Gainty [mailto:mgainty@hotmail.com]=20
Sent: Thursday, May 20, 2010 7:21 PM
To: users@maven.apache.org
Subject: RE: javadoc throws NPE


Denis-


http://maven.apache.org/plugins/maven-javadoc-plugin/javadoc-mojo.html
can you provide us the configuration parameters for:

outputDirectory
reportOutputDirectory


thanks,
Martin--
______________________________________________=20
Jogi =E9s Bizalmass=E1gi kinyilatkoztat=E1s

=20
Ez az =FCzenet bizalmas.  Ha nem =F6n az akinek sz=E1nva volt, akkor =
k=E9rj=FCk,
hogy jelentse azt nek=FCnk vissza. Semmif=E9le tov=E1bb=EDt=E1sa vagy =
m=E1solat=E1nak
k=E9sz=EDt=E9se nem megengedett.  Ez az =FCzenet csak ismeret cser=E9t =
szolg=E1l =E9s
semmif=E9le jogi alkalmazhat=F3s=E1ga sincs.  Mivel az electronikus =
=FCzenetek
k=F6nnyen megv=E1ltoztathat=F3ak, ez=E9rt minket semmi felel=F6s=E9g nem =
terhelhet
ezen =FCzenet tartalma miatt.


=20

> Subject: javadoc throws NPE
> Date: Thu, 20 May 2010 18:10:57 +0200
> From: denis.kranjcec@srce.hr
> To: users@maven.apache.org
>=20
> I am trying to generate javadoc for a project but javadoc throws NPE
> without any information.
>=20
> Maven output:
> Generating
>
C:/ci/svn/project/project-name/trunk/target/site/apidocs\package-use.htm
> l...
> Generating C:/ci/svn/project/project-name
> /trunk/target/site/apidocs\mypackage/\package-use.ht
> ml...
> [INFO]
>
------------------------------------------------------------------------
> [ERROR] BUILD ERROR
> [INFO]
>
------------------------------------------------------------------------
> [INFO] Error during page generation
>=20
> Embedded error: Error rendering Maven report:
> Exit code: 1 - java.lang.NullPointerException
> at
>
com.sun.tools.doclets.formats.html.PackageUseWriter.generatePackageUse(P
> ackageUseWriter.java:180)
> at
>
com.sun.tools.doclets.formats.html.PackageUseWriter.generatePackageList(
> PackageUseWriter.java:124)
> at
>
com.sun.tools.doclets.formats.html.PackageUseWriter.generatePackageUse(P
> ackageUseWriter.java:110)
> at
>
com.sun.tools.doclets.formats.html.PackageUseWriter.generatePackageUseFi
> le(PackageUseWriter.java:99)
> at
>
com.sun.tools.doclets.formats.html.PackageUseWriter.generate(PackageUseW
> riter.java:78)
> at
>
com.sun.tools.doclets.formats.html.ClassUseWriter.generate(ClassUseWrite
> r.java:116)
> at
>
com.sun.tools.doclets.formats.html.HtmlDoclet.generateOtherFiles(HtmlDoc
> let.java:92)
> at
>
com.sun.tools.doclets.internal.toolkit.AbstractDoclet.startGeneration(Ab
> stractDoclet.java:122)
> at
>
com.sun.tools.doclets.internal.toolkit.AbstractDoclet.start(AbstractDocl
> et.java:64)
> at
>
com.sun.tools.doclets.formats.html.HtmlDoclet.start(HtmlDoclet.java:42)
> at
> com.sun.tools.doclets.standard.Standard.start(Standard.java:23)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
>
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.jav
> a:39)
> at
>
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessor
> Impl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.sun.tools.javadoc.DocletInvoker.invoke(DocletInvoker.java:269)
> at
> com.sun.tools.javadoc.DocletInvoker.start(DocletInvoker.java:143)
> at com.sun.tools.javadoc.Start.parseAndExecute(Start.java:340)
> at com.sun.tools.javadoc.Start.begin(Start.java:128)
> at com.sun.tools.javadoc.Main.execute(Main.java:41)
> at com.sun.tools.javadoc.Main.main(Main.java:31)
>=20
> Command line was: "C:\Program
> Files\Java\jdk1.6.0_20\jre\..\bin\javadoc.exe" @options @packages
> @argfile
>=20
> Refer to the generated Javadoc files in
> 'C:\ci\svn\isvu\razmjena-aai\trunk\target\site\apidocs' dir.
>=20
> [INFO]
>
------------------------------------------------------------------------
> [INFO] For more information, run Maven with the -e switch
> [INFO]
>
------------------------------------------------------------------------
> [INFO] Total time: 1 minute 50 seconds
> [INFO] Finished at: Thu May 20 17:55:53 CEST 2010
> [INFO] Final Memory: 108M/453M
> [INFO]
>
------------------------------------------------------------------------
>=20
>=20
> Here is javadoc plugin configuration:
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-javadoc-plugin</artifactId>
> <version>2.7</version>
> </plugin>
>=20
>=20
> mvn --version:
> Apache Maven 2.2.1 (r801777; 2009-08-06 21:16:01+0200)
> Java version: 1.6.0_20
> Java home: C:\Program Files\Java\jdk1.6.0_20\jre
> Default locale: hr_HR, platform encoding: Cp1250
> OS name: "windows 7" version: "6.1" arch: "amd64" Family: "windows"
>=20
>=20
> How to solve this?
>=20
>=20
> Thanks in advance.
>=20
> Regards,
> Denis Kranjcec
>=20
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: users-unsubscribe@maven.apache.org
> For additional commands, e-mail: users-help@maven.apache.org
>=20
 		 	   		 =20
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