[jira] [Commented] (UIMA-6267) UIMA SDK Eclipse Plugins fail to build after Eclipse 2020-09 release

["Richard Eckart de Castilho (Jira)" <de...@uima.apache.org>]

    [ https://issues.apache.org/jira/browse/UIMA-6267?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17205362#comment-17205362 ] 

Richard Eckart de Castilho commented on UIMA-6267:
--------------------------------------------------

[~schor] There is indeed a method that was already deprecated for ages and was finally removed.

```
-import org.eclipse.jface.util.Assert;
+import org.eclipse.core.runtime.Assert;
```

Looks like this indeed changes the minimum Eclipse version. We say that the UIMA plugins are compatible with Eclipse 3.1 and Java 1.5! 

https://uima.apache.org/d/uimaj-2.10.4/overview_and_setup.html#ugr.ovv.eclipse_setup

We no longer support Java 1.5 since quite some time, even in v2.

So I'll update that info to Java 8 and Eclipse 3.3 which seems to be the version in which the new method was introduced:

- https://www.ibm.com/support/knowledgecenter/SSZHNR_2.0.0/org.eclipse.platform.doc.isv-4.8.0/reference/api/org/eclipse/jface/util/Assert.html
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=215794


> UIMA SDK Eclipse Plugins fail to build after Eclipse 2020-09 release
> --------------------------------------------------------------------
>
>                 Key: UIMA-6267
>                 URL: https://issues.apache.org/jira/browse/UIMA-6267
>             Project: UIMA
>          Issue Type: Bug
>          Components: Eclipse plugins
>            Reporter: Richard Eckart de Castilho
>            Assignee: Richard Eckart de Castilho
>            Priority: Major
>
> Since the Eclipse 2020-09 was released, it appears some JARs the UIMA Eclipse plugins transitively on Maven Central have been updated and some of them are actually missing from Maven Central:
> {quote}
> [ERROR] Failed to execute goal on project uimaj-ep-debug: Could not resolve dependencies for project org.apache.uima:uimaj-ep-debug:jar:2.10.5-SNAPSHOT: Failed to collect dependencies at org.eclipse.jdt:org.eclipse.jdt.debug.ui:jar:3.8.0 -> org.eclipse.platform:org.eclipse.ui.workbench.texteditor:jar:3.10.1 -> org.eclipse.platform:org.eclipse.ui:jar:3.108.1 -> org.eclipse.platform:org.eclipse.ui.workbench:jar:3.108.2 -> org.eclipse.platform:org.eclipse.e4.ui.workbench.swt:jar:0.14.1000 -> org.eclipse.platform:org.eclipse.urischeme:jar:1.1.100 -> com.sun.jna:com.sun.jna:jar:[4.5.1,6.0.0): No versions available for com.sun.jna:com.sun.jna:jar:[4.5.1,6.0.0) within specified range -> [Help 1]
> {quote}
> When excluding the JNA dependencies, we get another error:
> {quote}
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile (default-compile) on project uimaj-ep-debug: Compilation failure
> [ERROR] /home/jenkins/jenkins-agent/workspace/UIMA_uima-uimaj_PR-56/uimaj-ep-debug/src/main/java/org/apache/uima/ep_debug/DebugPlugin.java:[23,41] cannot access org.eclipse.jdt.internal.debug.ui.IJDIPreferencesConstants
> [ERROR]   bad class file: /home/jenkins/.m2/repository/org/eclipse/jdt/org.eclipse.jdt.debug.ui/3.12.0/org.eclipse.jdt.debug.ui-3.12.0.jar(org/eclipse/jdt/internal/debug/ui/IJDIPreferencesConstants.class)
> [ERROR]     class file has wrong version 55.0, should be 52.0
> [ERROR]     Please remove or make sure it appears in the correct subdirectory of the classpath.
> {quote}
> Eclipse 2020-09 requires Java 11. Looks like we'd need to cap the max version of the {{org.eclipse.jdt.debug.ui}} dependency to e.g. 3.10.500. However, it we add that to the POM I'm afraid it may mean that we'd be unable to install the UIMA on the > 2020-09 versions of Eclipse despite them being in principle API compatible....
> So we'd have to run the UIMA builds with a Java 11 or higher....



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