Thank you Mark for spotting that. I had renamed the file and replacing it
with the changed version. It working now.
Cheers,
Nason
On Friday, 6 March 2026 at 12:15:39 UTC Nason Bimbe wrote:
> Hi Mark,
>
> I have made the change on the import and also the following line and the
> build is fine.
>
> /*params.put("Authorization", "Basic " +
> Base64.encode(authString.getBytes()));*/
> params.put("Authorization", "Basic " +
> Base64.getEncoder().encodeToString(authString.getBytes()));
>
>
> When I run dspace/bin/dspace filter-media I get the following...
>
> The script has started
> org.dspace.core.PluginInstantiationException: Cannot load plugin class:
> java.lang.ClassNotFoundException: org.dspace.app.mediafilter.PDFBoxThumbnail
> at
> org.dspace.core.LegacyPluginServiceImpl.getNamedPlugin(LegacyPluginServiceImpl.java:355)
> at
> org.dspace.app.mediafilter.MediaFilterScript.internalRun(MediaFilterScript.java:139)
> at org.dspace.scripts.DSpaceRunnable.run(DSpaceRunnable.java:150)
> at
> org.dspace.app.launcher.ScriptLauncher.executeScript(ScriptLauncher.java:155)
> at
> org.dspace.app.launcher.ScriptLauncher.handleScript(ScriptLauncher.java:133)
> at
> org.dspace.app.launcher.ScriptLauncher.main(ScriptLauncher.java:100)
> Caused by: java.lang.ClassNotFoundException:
> org.dspace.app.mediafilter.PDFBoxThumbnail
> at
> org.dspace.core.PathsClassLoader.findClass(PathsClassLoader.java:131)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:592)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
> at java.base/java.lang.Class.forName0(Native Method)
> at java.base/java.lang.Class.forName(Class.java:469)
> at
> org.dspace.core.LegacyPluginServiceImpl.getNamedPlugin(LegacyPluginServiceImpl.java:343)
> ... 5 more
>
>
> Regards,
> Nason
> On Thursday, 5 March 2026 at 14:00:26 UTC [email protected] wrote:
>
>> On Wed, Mar 04, 2026 at 01:13:20PM +0000, Nason Bimbe wrote:
>> > I have applied for DSpace 7.6.x (
>> https://github.com/DSpace/DSpace/issues/11678) and the build is failing
>> with the following:
>> >
>> > [ERROR] Failed to execute goal
>> org.apache.maven.plugins:maven-compiler-plugin:3.14.0:compile
>> (default-compile) on project dspace-api: Compilation failure: Compilation
>> failure:
>> > [ERROR]
>> /usr/local/dspace/DSpace-dspace-7.6.5/dspace-api/src/main/java/org/dspace/importer/external/epo/service/EpoImportMetadataSourceServiceImpl.java:[32,46]
>>
>> error: package org.apache.jena.ext.xerces.impl.dv.util does not exist
>> > [ERROR]
>> /usr/local/dspace/DSpace-dspace-7.6.5/dspace-api/src/main/java/org/dspace/importer/external/epo/service/EpoImportMetadataSourceServiceImpl.java:[167,47]
>>
>> error: cannot find symbol
>> > [ERROR] symbol: variable Base64
>> > [ERROR] location: class EpoImportMetadataSourceServiceImpl
>>
>> I ran into that recently while working on another part of DSpace. I
>> don't know why the symbol is no longer available, but I think DSpace
>> shouldn't be using that anyway. That class is internal to Xerces and,
>> I am told, deprecated. There are reports that the standard JRE
>> version is faster, too.
>>
>> I was able to make it compile by replacing
>>
>> -import org.apache.xerces.impl.dv.util.Base64;
>>
>> with
>>
>> +import java.util.Base64;
>>
>> I haven't tested the result yet.
>>
>> You will need to sort the new import into the other java.util imports
>> in its proper order or Checkstyle will complain.
>>
>> If the change works for you, please let us know.
>>
>> --
>> Mark H. Wood
>> Lead Technology Analyst
>>
>> University Library
>> Indiana University Indianapolis
>> 755 W. Michigan Street
>> Indianapolis, IN 46202
>> 317-274-0749 <(317)%20274-0749>
>> library.indianapolis.iu.edu
>>
>> ORCiD: 0000-0002-9558-3768
>>
>
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