[JIRA] (JMVN-49) Enforcer fails with an NPE if it could not load signature for enforcer-data from maven

[Rod Widdowson (Jira)]

Rod Widdowson ( https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=59fb32bbc24efb3c4ed3c977 ) *created* an issue

Maven Enforcer ( https://shibboleth.atlassian.net/browse/JMVN?atlOrigin=eyJpIjoiZmU5NzljYzM3ZWIyNDM1OTkyNjYxZjI2MjdmMzYwNzEiLCJwIjoiaiJ9 ) / Bug ( https://shibboleth.atlassian.net/browse/JMVN-49?atlOrigin=eyJpIjoiZmU5NzljYzM3ZWIyNDM1OTkyNjYxZjI2MjdmMzYwNzEiLCJwIjoiaiJ9 ) JMVN-49 ( https://shibboleth.atlassian.net/browse/JMVN-49?atlOrigin=eyJpIjoiZmU5NzljYzM3ZWIyNDM1OTkyNjYxZjI2MjdmMzYwNzEiLCJwIjoiaiJ9 ) Enforcer fails with an NPE if it could not load signature for enforcer-data from maven ( https://shibboleth.atlassian.net/browse/JMVN-49?atlOrigin=eyJpIjoiZmU5NzljYzM3ZWIyNDM1OTkyNjYxZjI2MjdmMzYwNzEiLCJwIjoiaiJ9 )

Issue Type: Bug Affects Versions: 3,1.0, 3.1.1, 3.2.0 Assignee: Rod Widdowson ( https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=59fb32bbc24efb3c4ed3c977 ) Created: 09/Feb/23 6:03 AM Fix Versions: 3.2.1 Priority: Trivial Reporter: Rod Widdowson ( https://shibboleth.atlassian.net/secure/ViewProfile.jspa?accountId=59fb32bbc24efb3c4ed3c977 )

what it says. The stack

at net.shibboleth.mvn.enforcer.impl.JarEnforcer.execute (JarEnforcer.java:240)
   at org.apache.maven.plugins.enforcer.EnforceMojo.execute (EnforceMojo.java:205)
...
Caused by: java.lang.NullPointerException
   at java.io.FileInputStream.<init> (FileInputStream.java:149)
   at net.shibboleth.mvn.enforcer.impl.JarEnforcer.getGPGDataClassLoader (JarEnforcer.java:272)
   at net.shibboleth.mvn.enforcer.impl.JarEnforcer.execute (JarEnforcer.java:214)
   at org.apache.maven.plugins.enforcer.EnforceMojo.execute (EnforceMojo.java:205)

The code:

final File asc = downloadArtifact(dataGroupId, dataArtifactId, dataVersion, "", "jar.asc");
...
final InputStream ascStream = new BufferedInputStream(new FileInputStream(asc));

( https://shibboleth.atlassian.net/browse/JMVN-49#add-comment?atlOrigin=eyJpIjoiZmU5NzljYzM3ZWIyNDM1OTkyNjYxZjI2MjdmMzYwNzEiLCJwIjoiaiJ9 ) Add Comment ( https://shibboleth.atlassian.net/browse/JMVN-49#add-comment?atlOrigin=eyJpIjoiZmU5NzljYzM3ZWIyNDM1OTkyNjYxZjI2MjdmMzYwNzEiLCJwIjoiaiJ9 )

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