[PDFBOX-4980] Java 6 compile error

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.21
• Fix Version/s: 2.0.22
• Assignee: Andreas Lehmkühler
• Reporter: Simon Steiner
• Created: 06/Oct/20 12:46
• Updated: 20/Dec/20 18:48
• Resolved: 09/Dec/20 07:11

Description

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.6.0:compile (default-compile) on project pdfbox-debugger: Compilation failure: Compilation failure:
[ERROR] /home/simon/pdfbox_th_2/debugger/src/main/java/org/apache/pdfbox/debugger/streampane/StreamPane.java:[409,64] cannot find symbol
[ERROR] symbol : variable ACCESS_EXTERNAL_DTD
[ERROR] location: class javax.xml.XMLConstants
[ERROR] /home/simon/pdfbox_th_2/debugger/src/main/java/org/apache/pdfbox/debugger/streampane/StreamPane.java:[410,64] cannot find symbol
[ERROR] symbol : variable ACCESS_EXTERNAL_STYLESHEET
[ERROR] location: class javax.xml.XMLConstants

 Java 6:

[WARNING] Rule 1: org.apache.maven.plugins.enforcer.RequireJavaVersion failed with message:
Requires at least Java 7, and
Java versions higher than 11 cannot
build Java 6 bytecode

Java 7:

[ERROR] Failed to execute goal com.googlecode.maven-download-plugin:download-maven-plugin:1.6.0:wget (PDFBOX-4038) on project fontbox: Execution PDFBOX-4038 of goal com.googlecode.maven-download-plugin:download-maven-plugin:1.6.0:wget failed: Unable to load the mojo 'wget' in the plugin 'com.googlecode.maven-download-plugin:download-maven-plugin:1.6.0' due to an API incompatibility: org.codehaus.plexus.component.repository.exception.ComponentLookupException: com/googlecode/download/maven/plugin/internal/WGet : Unsupported major.minor version 52.0