Java(16777540): The type xxx cannot be resolved. It is indirectly referenced from required .class files

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Error code Java(16777540)

related jdt.core PR: eclipse-jdt/eclipse.jdt.core#327

Affected projects:

release option 9 make compiler break when using JDK 11

• https://github.com/kaitoy/pcap4j.git
• https://github.com/qos-ch/slf4j.git
• https://github.com/speedment/speedment.git
• https://github.com/LibrePDF/OpenPDF.git

External provided dependency:

• .class files referenced unresolved type, looking for indirectly missing types

• https://github.com/jitsi/jitsi.git

  • verified project error

• https://github.com/cryptomator/cryptomator.git

  • out of scope: java 19

• https://github.com/MinecraftForge/MinecraftForge.git

  • manual steps:
    • git checkout bc0517a
    • ./gradlew setup
    • ./gradlew genEclipseRuns

• https://github.com/camunda/camunda-bpm-platform.git

• https://github.com/alibaba/Sentinel.git

  • mvn protobuf:compile

• https://github.com/WebJournal/journaldev.git

  • verified project error

look for indirectly class files

• https://github.com/Atmosphere/atmosphere.git
• https://github.com/wfh45678/radar.git
• https://github.com/vladmihalcea/flexy-pool.git
• https://github.com/pac4j/pac4j.git
• https://github.com/OryxProject/oryx.git
• https://github.com/apache/logging-log4j2.git

from cycle project

• https://github.com/kestra-io/kestra.git

android related JDK

• https://github.com/mapsforge/mapsforge.git
• https://github.com/Softmotions/ejdb.git
• https://github.com/igniterealtime/Smack.git

buildship JVM args

• https://github.com/mockito/mockito.git

annotation processing

• https://github.com/apache/maven.git

nested output folder

• https://github.com/twitter/twitter-text.git

eclipse project importing (overriding exisitng configurations)

• related issue: How to disable automatic update of ".project" files and ".settings" folders at project opening redhat-developer/vscode-java#2741
• .classpath and .settings compiler level mismatch
• https://github.com/amaembo/streamex.git