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Posted to issues@maven.apache.org by "Robin Roos (JIRA)" <ji...@apache.org> on 2016/01/19 08:34:39 UTC
[jira] [Created] (DOXIA-537) NullPointerException parsing table
cell with single space
Robin Roos created DOXIA-537:
--------------------------------
Summary: NullPointerException parsing table cell with single space
Key: DOXIA-537
URL: https://issues.apache.org/jira/browse/DOXIA-537
Project: Maven Doxia
Issue Type: Bug
Components: Module - Confluence
Affects Versions: 1.6
Reporter: Robin Roos
I have chosen to use Confluence format to generate my maven site, primarily because of good table support.
I have found that doxia-module-confluence falls over with a NullPointerException if an empty cell is represented as a single space.
Confluence tables usually require this empty space, or they collapse the cell to be non-existant.
Information pertaining to this failure is below.
Let me know what more I can usefully provide.
Kind regards, Robin.
File: src/site/confluence/tables.confluence
Here is a 3 column table with headers, one row, and data in every column:
||One||Two||Three||
|1|2|3|
Now there is no data in column Two
||One||Two||Three||
|1||3|
Now there is a space in column Two
||One||Two||Three||
|1| |3|
pom.xml excerpt
</build>
...
</plugins>
...
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-site-plugin</artifactId>
<version>3.4</version>
<dependencies>
<dependency>
<groupId>org.apache.maven.doxia</groupId>
<artifactId>doxia-module-confluence</artifactId>
<version>1.6</version>
</dependency>
<dependency>
<groupId>org.apache.maven.doxia</groupId>
<artifactId>doxia-module-markdown</artifactId>
<version>1.6</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
mvn -X clean site
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.4:site (default-site) on project fitnesse-calypso: Error parsing '/Users/robin/tmp3/fitnesse-calypso/src/site/confluence/tables.confluence': line [15] null: ParseException: NullPointerException -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-site-plugin:3.4:site (default-site) on project fitnesse-calypso: Error parsing '/Users/robin/tmp3/fitnesse-calypso/src/site/confluence/tables.confluence': line [15] null
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:212)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:863)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:199)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException: Error parsing '/Users/robin/tmp3/fitnesse-calypso/src/site/confluence/tables.confluence': line [15] null
at org.apache.maven.plugins.site.render.SiteMojo.execute(SiteMojo.java:146)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:134)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:207)
... 20 more
Caused by: org.apache.maven.doxia.siterenderer.RendererException: Error parsing '/Users/robin/tmp3/fitnesse-calypso/src/site/confluence/tables.confluence': line [15] null
at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderDocument(DefaultSiteRenderer.java:406)
at org.apache.maven.doxia.siterenderer.DoxiaDocumentRenderer.renderDocument(DoxiaDocumentRenderer.java:51)
at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderModule(DefaultSiteRenderer.java:311)
at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.render(DefaultSiteRenderer.java:129)
at org.apache.maven.plugins.site.render.SiteMojo.renderDoxiaDocuments(SiteMojo.java:261)
at org.apache.maven.plugins.site.render.SiteMojo.renderLocale(SiteMojo.java:172)
at org.apache.maven.plugins.site.render.SiteMojo.execute(SiteMojo.java:141)
... 22 more
Caused by: org.apache.maven.doxia.parser.ParseException
at org.apache.maven.doxia.module.confluence.ConfluenceParser.parse(ConfluenceParser.java:133)
at org.apache.maven.doxia.DefaultDoxia.parse(DefaultDoxia.java:65)
at org.apache.maven.doxia.siterenderer.DefaultSiteRenderer.renderDocument(DefaultSiteRenderer.java:398)
... 28 more
Caused by: java.lang.NullPointerException
at org.apache.maven.doxia.module.confluence.parser.AbstractFatherBlock.traverse(AbstractFatherBlock.java:72)
at org.apache.maven.doxia.module.confluence.parser.AbstractFatherBlock.traverse(AbstractFatherBlock.java:72)
at org.apache.maven.doxia.module.confluence.parser.AbstractFatherBlock.traverse(AbstractFatherBlock.java:72)
at org.apache.maven.doxia.module.confluence.ConfluenceParser.parse(ConfluenceParser.java:125)
... 30 more
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