Error: Could not write workspace metadata '/tmp/com_diffplug_spotless_extra_eclipse

If you are submitting a bug, please include the following:

• summary of problem Errors reported AFTER successful build.
• ~gradle~ or maven version 3.8.3
• spotless version 2.17.1
• operating system and version Ubuntu/20.04.3
• copy-paste your full Spotless configuration block(s), and a link to a public git repo that reproduces the problem if possible

                <plugin>
                    <groupId>com.diffplug.spotless</groupId>
                    <artifactId>spotless-maven-plugin</artifactId>
                    <version>${spotless.version}</version>
                    <executions>
                        <execution>
                            <id>spotless-validation</id>
                            <phase>test</phase>
                            <goals>
                                <goal>check</goal>
                            </goals>
                        </execution>
                    </executions>
                    <configuration>
                        <java>
                            <eclipse>
                                <file>file://${maven.multiModuleProjectDirectory}/build/eclipse-jdt-formatter.prefs</file>
                            </eclipse>
                        </java>
                        <cpp>
                            <includes>
                                <include>src/**/native/**/*.cpp</include>
                            </includes>
                            <eclipseCdt></eclipseCdt>
                        </cpp>
                    </configuration>
                </plugin>

• copy-paste the full content of any console errors emitted by gradlew spotless[Apply/Check] --stacktrace

[INFO] 
[INFO] --- spotless-maven-plugin:2.17.1:check (spotless-validation) @ ... ---
[INFO] 
...
Error:  Could not write workspace metadata '/tmp/com_diffplug_spotless_extra_eclipse12122245188339054218/.metadata/.plugins/org.eclipse.core.resources/0.snap'.
java.io.FileNotFoundException: /tmp/com_diffplug_spotless_extra_eclipse12122245188339054218/.metadata/.plugins/org.eclipse.core.resources/0.snap (No such file or directory)
    at java.io.FileOutputStream.open0 (Native Method)
    at java.io.FileOutputStream.open (FileOutputStream.java:298)
    at java.io.FileOutputStream.<init> (FileOutputStream.java:237)
    at java.io.FileOutputStream.<init> (FileOutputStream.java:158)
    at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.<init> (SafeChunkyOutputStream.java:48)
    at org.eclipse.core.internal.localstore.SafeChunkyOutputStream.<init> (SafeChunkyOutputStream.java:44)
    at org.eclipse.core.internal.resources.SaveManager.snapTree (SaveManager.java:1474)
    at org.eclipse.core.internal.resources.SaveManager.save (SaveManager.java:1198)
    at org.eclipse.core.internal.resources.SaveManager.save (SaveManager.java:1143)
    at org.eclipse.core.internal.resources.DelayedSnapshotJob.run (DelayedSnapshotJob.java:55)
    at org.eclipse.core.internal.jobs.Worker.run (Worker.java:63)

[fvgh]

Thanks @pzygielo . I know now where the problem is. DelayedSnapshotJob runs periodical and I have not synchronized it at shutdown. Never noticed when running gradle, since it uses a daemon concept.

Will provide a fix probably with the next release.

[pzygielo]

Thank you.