I think that I have fixed this problem by adding the following stanza to
the maven war plugin descriptor:
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
On 11/9/23 2:46 PM, Rick Hillegas wrote:
I am trying to install a Derby release into my local maven repository.
The world has changed underneath me in the last year and a half since
I published the last Derby release. The Derby maven-based publication
poms can be found under
https://svn.apache.org/repos/asf/db/derby/code/trunk/maven2/ The Derby
publication poms don't do much. They just sign the Derby artifacts and
copy them into the repository. No jars or wars are actually built by
the publication poms. That happens elsewhere.
On my first attempt, I used the maven version I used a year and a half
ago: 3.8.6. One of the Derby artifacts is a war file and its
associated publication pom contained this plugin stanza:
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.1.1</version>
</plugin>
When I executed a top level
mvn clean install
the command failed with the following error:
[WARNING] Error injecting: org.apache.maven.plugin.war.WarMojo
com.google.inject.ProvisionException: Unable to provision, see the
following errors:
1) Error injecting constructor, java.lang.ExceptionInInitializerError:
Cannot access defaults field of Properties
at org.apache.maven.plugin.war.WarMojo.<init>(Unknown Source)
while locating org.apache.maven.plugin.war.WarMojo
followed at the end by
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-war-plugin:2.1.1:war (default-war) on
project derbywar: Execution default-war of goal
org.apache.maven.plugins:maven-war-plugin:2.1.1:war failed: Unable to
load the mojo 'war' in the plugin
'org.apache.maven.plugins:maven-war-plugin:2.1.1' due to an API
incompatibility:
org.codehaus.plexus.component.repository.exception.ComponentLookupException:
Cannot access defaults field of Properties
So I upgraded maven to version 3.9.5 and I upgraded the war plugin
stanza to specify maven plugin version 3.3.1. Now "mvn clean install"
raises the following error:
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-war-plugin:3.3.1:war (default-war) on
project derbywar: Error assembling WAR: webxml attribute is required
(or pre-existing WEB-INF/web.xml if executing in update mode) -> [Help 1]
Since all I am doing is signing jars and wars, I don't think that a
web.xml file should be required. I would appreciate your advice for
how to get over this speedbump.
Thanks,
-Rick
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