PDF Compatibility Issue

andreas.schlaepfer · July 9, 2025, 2:52pm

Hello, I’m using JMIX 2.6 and I’m trying to convert a report with a DOCX template to PDF.
This fails with the following exception:

java.lang.ExceptionInInitializerError: Exception java.lang.AbstractMethodError: Receiver class org.apache.pdfbox.io.RandomAccessReadBuffer does not define or inherit an implementation of the resolved method 'abstract int available()' of interface org.apache.pdfbox.io.RandomAccessRead. [in thread "http-nio-8080-exec-7"]
	at org.apache.pdfbox.io.RandomAccessReadBuffer.read(RandomAccessReadBuffer.java:237)
	at org.apache.fontbox.cff.CFFParser.parse(CFFParser.java:99)
	at org.docx4j.fonts.fop.fonts.truetype.OTFFile.initializeFont(OTFFile.java:109)
	at org.docx4j.fonts.fop.fonts.truetype.OpenFont.readFont(OpenFont.java:823)
	at org.docx4j.fonts.fop.fonts.truetype.OFFontLoader.read(OFFontLoader.java:121)
	at org.docx4j.fonts.fop.fonts.truetype.OFFontLoader.read(OFFontLoader.java:105)
	at org.docx4j.fonts.fop.fonts.FontLoader.getFont(FontLoader.java:130)
	at org.docx4j.fonts.fop.fonts.FontLoader.loadFont(FontLoader.java:114)
	at org.docx4j.fonts.fop.fonts.autodetect.FontInfoFinder.find(FontInfoFinder.java:268)
	at org.docx4j.fonts.PhysicalFonts.getPhysicalFont(PhysicalFonts.java:307)
	at org.docx4j.fonts.PhysicalFonts.addPhysicalFonts(PhysicalFonts.java:246)
	at org.docx4j.fonts.PhysicalFonts.addPhysicalFont(PhysicalFonts.java:236)
	at org.docx4j.fonts.PhysicalFonts.discoverPhysicalFonts(PhysicalFonts.java:183)
	at org.docx4j.fonts.IdentityPlusMapper.<clinit>(IdentityPlusMapper.java:74)
	at org.docx4j.openpackaging.packages.WordprocessingMLPackage.getFontMapper(WordprocessingMLPackage.java:375)
	at org.docx4j.convert.out.FOSettings.setOpcPackage(FOSettings.java:99)
	at org.docx4j.Docx4J.toPDF(Docx4J.java:738)
	at io.jmix.reports.yarg.formatters.impl.DocxFormatter.saveAndClose(DocxFormatter.java:156)
	at io.jmix.reports.yarg.formatters.impl.DocxFormatter.renderDocument(DocxFormatter.java:94)
	at io.jmix.reports.yarg.reporting.Reporting.generateReport(Reporting.java:132)
	at io.jmix.reports.yarg.reporting.Reporting.runReport(Reporting.java:91)
	at io.jmix.reports.yarg.reporting.Reporting.runReport(Reporting.java:114)
	at io.jmix.reports.runner.impl.ReportRunnerImpl.createReportDocumentInternal(ReportRunnerImpl.java:134)
	at io.jmix.reports.runner.impl.ReportRunnerImpl.run(ReportRunnerImpl.java:82)
	at io.jmix.reportsflowui.runner.impl.UiReportRunnerImpl.runAndShow(UiReportRunnerImpl.java:113)
	at io.jmix.reportsflowui.runner.FluentUiReportRunner.runAndShow(FluentUiReportRunner.java:184)
	at io.jmix.reportsflowui.view.run.InputParametersDialog.onPrintReportButtonClick(InputParametersDialog.java:154)

I checked the dependencies and it looks that it’s a mix between different library versions:

Gradle: org.apache.pdfbox:fontbox:3.0.3
Gradle: org.apache.pdfbox:pdfbox:2.0.24
Gradle: org.apache.pdfbox:pdfbox-io:3.0.3
Gradle: org.apache.pdfbox:xmpbox:2.0.24

With the dependency analyser it looks like this for pdfbox:2.0.24:

io.jmix.reports:jmix-reports-rest-starter:2.6.0
io.jmix.reports:jmix-reports-rest:2.6.0
io.jmix.reports:jmix-reports:2.6.0
com.openhtmltopdf:openhtmltopdf-pdfbox:1.0.10
de.rototor.pdfbox:graphics2d:0.32
org.apache.pdfbox:pdfbox:2.0.24
org.apache.pdfbox:pdfbox:2.0.24

and for fontbox:3.0.3:

io.jmix.reports:jmix-reports-rest-starter:2.6.0
io.jmix.reports:jmix-reports-rest:2.6.0
io.jmix.reports:jmix-reports:2.6.0
org.docx4j:docx4j-JAXB-ReferenceImpl:11.5.3
org.docx4j:docx4j-core:11.5.3
org.apache.pdfbox:fontbox:3.0.3
org.apache.xmlgraphics:fop:2.11
org.apache.xmlgraphics:fop-core:2.11
org.apache.pdfbox:fontbox:3.0.3
com.openhtmltopdf:openhtmltopdf-pdfbox:1.0.10
org.apache.pdfbox:pdfbox:2.0.24
org.apache.pdfbox:fontbox:3.0.3

The reports shows conflicts on fontbox:3.0.3 vs. 2.0.24

Is this a known problem?

andreas.schlaepfer · July 9, 2025, 3:02pm

I was able to fix this using

configurations.all {
    resolutionStrategy {
        force 'org.apache.pdfbox:pdfbox:3.0.3'
    }
}

i.gavrilov · July 9, 2025, 3:39pm

Hi,

Can’t reproduce.

If you can provide reproducible sample project - it will be very helpful.
And also provide the whole dependencies tree for your project.

The reports shows conflicts on fontbox:3.0.3 vs. 2.0.24

Effective version of pdfbox is 2.0.24. It brings fontbox:2.0.24, but it’s overridden by fontbox:3.0.3 brought by fop-core. And fontbox:3.0.3 brings pdfbox-io:3.0.3.
Maybe there is some conflict between pdfbox:2.0.24 and pdfbox-io:3.0.3.

We will check if we can update everything to 3.0.3, but at first I’d like to reproduce it.

Regards,
Ivan

andreas.schlaepfer · July 10, 2025, 6:32am

Hi Ivan

Thanks for the feedback. As you stated, the problem is that it’s effectively using org.apache.pdfbox:pdfbox:2.0.24 but should use 3.0.3 to match with fontbox IMO.

This is the output for ./gradlew dependencyInsight --configuration runtimeClasspath --dependency org.apache.pdfbox:pdfbox (without my fix):

> Task :dependencyInsight
org.apache.pdfbox:pdfbox:2.0.24
  Variant runtime:
    | Attribute Name                 | Provided     | Requested    |
    |--------------------------------|--------------|--------------|
    | org.gradle.status              | release      |              |
    | org.gradle.category            | library      | library      |
    | org.gradle.libraryelements     | jar          | jar          |
    | org.gradle.usage               | java-runtime | java-runtime |
    | org.gradle.dependency.bundling |              | external     |
    | org.gradle.jvm.environment     |              | standard-jvm |
    | org.gradle.jvm.version         |              | 21           |

org.apache.pdfbox:pdfbox:2.0.24
+--- com.openhtmltopdf:openhtmltopdf-pdfbox:1.0.10
|    +--- io.jmix.bom:jmix-bom:2.6.0
|    |    \--- runtimeClasspath
|    +--- io.jmix.reports:jmix-reports:2.6.0
|    |    +--- io.jmix.bom:jmix-bom:2.6.0 (*)
|    |    +--- io.jmix.reports:jmix-reports-flowui:2.6.0
|    |    |    +--- io.jmix.bom:jmix-bom:2.6.0 (*)
|    |    |    \--- io.jmix.reports:jmix-reports-flowui-starter:2.6.0
|    |    |         +--- runtimeClasspath (requested io.jmix.reports:jmix-reports-flowui-starter)
|    |    |         \--- io.jmix.bom:jmix-bom:2.6.0 (*)
|    |    +--- io.jmix.reports:jmix-reports-starter:2.6.0
|    |    |    +--- runtimeClasspath (requested io.jmix.reports:jmix-reports-starter)
|    |    |    \--- io.jmix.bom:jmix-bom:2.6.0 (*)
|    |    \--- io.jmix.reports:jmix-reports-rest:2.6.0
|    |         +--- io.jmix.bom:jmix-bom:2.6.0 (*)
|    |         \--- io.jmix.reports:jmix-reports-rest-starter:2.6.0
|    |              +--- runtimeClasspath (requested io.jmix.reports:jmix-reports-rest-starter)
|    |              \--- io.jmix.bom:jmix-bom:2.6.0 (*)
|    \--- org.docx4j:docx4j-ImportXHTML:11.4.8
|         +--- io.jmix.bom:jmix-bom:2.6.0 (*)
|         \--- io.jmix.reports:jmix-reports:2.6.0 (*)
\--- de.rototor.pdfbox:graphics2d:0.32
     \--- com.openhtmltopdf:openhtmltopdf-pdfbox:1.0.10 (*)

org.apache.pdfbox:pdfbox-io:3.0.3
  Variant runtime:
    | Attribute Name                 | Provided     | Requested    |
    |--------------------------------|--------------|--------------|
    | org.gradle.status              | release      |              |
    | org.gradle.category            | library      | library      |
    | org.gradle.libraryelements     | jar          | jar          |
    | org.gradle.usage               | java-runtime | java-runtime |
    | org.gradle.dependency.bundling |              | external     |
    | org.gradle.jvm.environment     |              | standard-jvm |
    | org.gradle.jvm.version         |              | 21           |

org.apache.pdfbox:pdfbox-io:3.0.3
\--- org.apache.pdfbox:fontbox:3.0.3
     +--- org.docx4j:docx4j-core:11.5.3
     |    +--- org.docx4j:docx4j-JAXB-ReferenceImpl:11.5.3
     |    |    +--- io.jmix.bom:jmix-bom:2.6.0
     |    |    |    \--- runtimeClasspath
     |    |    \--- io.jmix.reports:jmix-reports:2.6.0
     |    |         +--- io.jmix.bom:jmix-bom:2.6.0 (*)
     |    |         +--- io.jmix.reports:jmix-reports-flowui:2.6.0
     |    |         |    +--- io.jmix.bom:jmix-bom:2.6.0 (*)
     |    |         |    \--- io.jmix.reports:jmix-reports-flowui-starter:2.6.0
     |    |         |         +--- runtimeClasspath (requested io.jmix.reports:jmix-reports-flowui-starter)
     |    |         |         \--- io.jmix.bom:jmix-bom:2.6.0 (*)
     |    |         +--- io.jmix.reports:jmix-reports-starter:2.6.0
     |    |         |    +--- runtimeClasspath (requested io.jmix.reports:jmix-reports-starter)
     |    |         |    \--- io.jmix.bom:jmix-bom:2.6.0 (*)
     |    |         \--- io.jmix.reports:jmix-reports-rest:2.6.0
     |    |              +--- io.jmix.bom:jmix-bom:2.6.0 (*)
     |    |              \--- io.jmix.reports:jmix-reports-rest-starter:2.6.0
     |    |                   +--- runtimeClasspath (requested io.jmix.reports:jmix-reports-rest-starter)
     |    |                   \--- io.jmix.bom:jmix-bom:2.6.0 (*)
     |    +--- org.docx4j:docx4j-ImportXHTML:11.4.8 (requested org.docx4j:docx4j-core:11.4.8)
     |    |    +--- io.jmix.bom:jmix-bom:2.6.0 (*)
     |    |    \--- io.jmix.reports:jmix-reports:2.6.0 (*)
     |    \--- org.docx4j:docx4j-export-fo:11.5.3
     |         +--- io.jmix.bom:jmix-bom:2.6.0 (*)
     |         \--- io.jmix.reports:jmix-reports:2.6.0 (*)
     +--- org.apache.xmlgraphics:fop-core:2.11
     |    \--- org.apache.xmlgraphics:fop:2.11
     |         +--- io.jmix.bom:jmix-bom:2.6.0 (requested org.apache.xmlgraphics:fop:2.10) (*)
     |         +--- io.jmix.reports:jmix-reports:2.6.0 (requested org.apache.xmlgraphics:fop:2.10) (*)
     |         \--- org.docx4j:docx4j-export-fo:11.5.3 (*)
     \--- org.apache.pdfbox:pdfbox:2.0.24 (requested org.apache.pdfbox:fontbox:2.0.24)
          +--- com.openhtmltopdf:openhtmltopdf-pdfbox:1.0.10
          |    +--- io.jmix.bom:jmix-bom:2.6.0 (*)
          |    +--- io.jmix.reports:jmix-reports:2.6.0 (*)
          |    \--- org.docx4j:docx4j-ImportXHTML:11.4.8 (*)
          \--- de.rototor.pdfbox:graphics2d:0.32
               \--- com.openhtmltopdf:openhtmltopdf-pdfbox:1.0.10 (*)

Forcing 3.0.3 is required to fix this as far as I can see.

Best regards, Andi

i.gavrilov · July 10, 2025, 8:13am

Hi,

Additional notes (according to exception java.lang.ExceptionInInitializerError: Exception java.lang.AbstractMethodError: Receiver class org.apache.pdfbox.io.RandomAccessReadBuffer does not define or inherit an implementation of the resolved method 'abstract int available()' of interface org.apache.pdfbox.io.RandomAccessRead.):

RandomAccessReadBuffer (from pdfbox:3.0.3) doesn’t have implementation of available() method.
Before 3.0.0 there was no pdfbox-io module, so RandomAccessRead interface was in pdfbox.
After pdfbox-io module is introduced in 3.0.0 RandomAccessRead was moved to it and now has default implementation of this method so it will not cause this issue.

That explains why I couldn’t reproduce it - it looks like my project loads RandomAccessRead from pdfbox-io, and your - from pdfbox.

However - created a task Update pdfbox to 3.0.x · Issue #4596 · jmix-framework/jmix · GitHub

Regards,
Ivan