The dreaded NullPointerException in sun.awt.FontConfiguration

[elbosso]

Docker images based on Alpine seem to have this problem often:

• http://www.forum.plantuml.net/9781/invocationtargetexception-fileformat-getjavadimension
• NPE in sun.awt.FontConfiguration.getVersion(...) AdoptOpenJDK/openjdk-docker#75
• NullPointerException in JRE 8 Font docker-library/openjdk#46
• docker-library/openjdk@0f82de1

When i switched to bellsoft/liberica-openjdk-debian, the problem was gone. However I tried the workarounds mentioned in the links above and none of them worked. So I think there must be one slight difference between the alpine-based and the debian-based image that triggers certain fringe cases. I include the stacktrace below. It happens for example when one builds and runs project https://github.com/elbosso/generator-microservices with bellsoft/liberica-openjdk-alpine and then tries to execute

curl -X GET "http://<host>:<port>/nixieNumberImg" -H  "accept: application/json"

against it.

Stacktrace:

java.lang.InternalError: java.lang.reflect.InvocationTargetException
pi_microgenerator-q    |        at java.desktop/sun.font.FontManagerFactory$1.run(FontManagerFactory.java:86)
pi_microgenerator-q    |        at java.base/java.security.AccessController.doPrivileged(AccessController.java:312)
pi_microgenerator-q    |        at java.desktop/sun.font.FontManagerFactory.getInstance(FontManagerFactory.java:74)
pi_microgenerator-q    |        at java.desktop/sun.font.SunFontManager.getInstance(SunFontManager.java:249)
pi_microgenerator-q    |        at java.desktop/sun.font.FontDesignMetrics.getMetrics(FontDesignMetrics.java:261)
pi_microgenerator-q    |        at java.desktop/sun.swing.SwingUtilities2.getFontMetrics(SwingUtilities2.java:1243)
pi_microgenerator-q    |        at java.desktop/javax.swing.JComponent.getFontMetrics(JComponent.java:1646)
pi_microgenerator-q    |        at java.desktop/javax.swing.plaf.basic.BasicLabelUI.getPreferredSize(BasicLabelUI.java:246)
pi_microgenerator-q    |        at java.desktop/javax.swing.JComponent.getPreferredSize(JComponent.java:1680)
pi_microgenerator-q    |        at java.desktop/java.awt.GridBagLayout.GetLayoutInfo(GridBagLayout.java:1109)
pi_microgenerator-q    |        at java.desktop/java.awt.GridBagLayout.getLayoutInfo(GridBagLayout.java:904)
pi_microgenerator-q    |        at java.desktop/java.awt.GridBagLayout.preferredLayoutSize(GridBagLayout.java:724)
pi_microgenerator-q    |        at java.desktop/java.awt.Container.preferredSize(Container.java:1823)
pi_microgenerator-q    |        at java.desktop/java.awt.Container.getPreferredSize(Container.java:1807)
pi_microgenerator-q    |        at java.desktop/javax.swing.JComponent.getPreferredSize(JComponent.java:1682)
pi_microgenerator-q    |        at de.elbosso.util.generator.generalpurpose.NixieNumberImageSequence.next(NixieNumberImageSequence.java:98)
pi_microgenerator-q    |        at de.elbosso.microgenerator.handlers.java.awt.image.bufferedimage.NixieNumberImageSequenceHandler$1.write(NixieNumberImageSequenceHandler.java:69)
pi_microgenerator-q    |        at org.jboss.resteasy.plugins.providers.StreamingOutputProvider.writeTo(StreamingOutputProvider.java:37)
pi_microgenerator-q    |        at org.jboss.resteasy.plugins.providers.StreamingOutputProvider.writeTo(StreamingOutputProvider.java:20)
pi_microgenerator-q    |        at org.jboss.resteasy.core.interception.jaxrs.AbstractWriterInterceptorContext.writeTo(AbstractWriterInterceptorContext.java:193)
pi_microgenerator-q    |        at org.jboss.resteasy.core.interception.jaxrs.ServerWriterInterceptorContext.writeTo(ServerWriterInterceptorContext.java:64)
pi_microgenerator-q    |        at org.jboss.resteasy.core.interception.jaxrs.AbstractWriterInterceptorContext.proceed(AbstractWriterInterceptorContext.java:155)
pi_microgenerator-q    |        at org.jboss.resteasy.core.ServerResponseWriter.lambda$writeNomapResponse$2(ServerResponseWriter.java:156)
pi_microgenerator-q    |        at org.jboss.resteasy.core.interception.jaxrs.ContainerResponseContextImpl.filter(ContainerResponseContextImpl.java:404)
pi_microgenerator-q    |        at org.jboss.resteasy.core.ServerResponseWriter.executeFilters(ServerResponseWriter.java:232)
pi_microgenerator-q    |        at org.jboss.resteasy.core.ServerResponseWriter.writeNomapResponse(ServerResponseWriter.java:97)
pi_microgenerator-q    |        at org.jboss.resteasy.core.ServerResponseWriter.writeNomapResponse(ServerResponseWriter.java:70)
pi_microgenerator-q    |        at org.jboss.resteasy.core.SynchronousDispatcher.writeResponse(SynchronousDispatcher.java:578)
pi_microgenerator-q    |        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:508)
pi_microgenerator-q    |        at org.jboss.resteasy.core.SynchronousDispatcher.lambda$invoke$4(SynchronousDispatcher.java:252)
pi_microgenerator-q    |        at org.jboss.resteasy.core.SynchronousDispatcher.lambda$preprocess$0(SynchronousDispatcher.java:153)
pi_microgenerator-q    |        at org.jboss.resteasy.core.interception.jaxrs.PreMatchContainerRequestContext.filter(PreMatchContainerRequestContext.java:363)
pi_microgenerator-q    |        at org.jboss.resteasy.core.SynchronousDispatcher.preprocess(SynchronousDispatcher.java:156)
pi_microgenerator-q    |        at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:238)
pi_microgenerator-q    |        at io.quarkus.resteasy.runtime.standalone.RequestDispatcher.service(RequestDispatcher.java:73)
pi_microgenerator-q    |        at io.quarkus.resteasy.runtime.standalone.VertxRequestHandler.dispatch(VertxRequestHandler.java:109)
pi_microgenerator-q    |        at io.quarkus.resteasy.runtime.standalone.VertxRequestHandler.dispatchRequestContext(VertxRequestHandler.java:84)
pi_microgenerator-q    |        at io.quarkus.resteasy.runtime.standalone.VertxRequestHandler.lambda$handle$0(VertxRequestHandler.java:71)
pi_microgenerator-q    |        at io.vertx.core.impl.ContextImpl.lambda$executeBlocking$2(ContextImpl.java:316)
pi_microgenerator-q    |        at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
pi_microgenerator-q    |        at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630)
pi_microgenerator-q    |        at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
pi_microgenerator-q    |        at java.base/java.lang.Thread.run(Thread.java:832)
pi_microgenerator-q    | Caused by: java.lang.reflect.InvocationTargetException
pi_microgenerator-q    |        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
pi_microgenerator-q    |        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
pi_microgenerator-q    |        at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
pi_microgenerator-q    |        at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:500)
pi_microgenerator-q    |        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:481)
pi_microgenerator-q    |        at java.desktop/sun.font.FontManagerFactory$1.run(FontManagerFactory.java:84)
pi_microgenerator-q    |        ... 42 more
pi_microgenerator-q    | Caused by: java.lang.NullPointerException
pi_microgenerator-q    |        at java.desktop/sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1262)
pi_microgenerator-q    |        at java.desktop/sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:225)
pi_microgenerator-q    |        at java.desktop/sun.awt.FontConfiguration.init(FontConfiguration.java:107)
pi_microgenerator-q    |        at java.desktop/sun.awt.X11FontManager.createFontConfiguration(X11FontManager.java:719)
pi_microgenerator-q    |        at java.desktop/sun.font.SunFontManager$2.run(SunFontManager.java:374)
pi_microgenerator-q    |        at java.base/java.security.AccessController.doPrivileged(AccessController.java:312)
pi_microgenerator-q    |        at java.desktop/sun.font.SunFontManager.<init>(SunFontManager.java:319)
pi_microgenerator-q    |        at java.desktop/sun.awt.FcFontManager.<init>(FcFontManager.java:35)
pi_microgenerator-q    |        at java.desktop/sun.awt.X11FontManager.<init>(X11FontManager.java:56)
pi_microgenerator-q    |        ... 48 more

[den1ska]

Hi,
liberica-openjdk-alpine is a glibc-based image, therefore, every time you're adding smth using apk you have to run /usr/glibc/sbin/ldconfig manually.

Please try adding the following lines into your Dockerfile:

RUN apk add --no-cache fontconfig ttf-dejavu && /usr/glibc/sbin/ldconfig

[den1ska]

When adding native Alpine Linux packages using apk it's important to keep in mind that Liberica JDK within this image is glibc-based. Thus it's required to run /usr/glibc/sbin/ldconfig manually after adding any system packages. This includes adding apk packages in Dockerfile directly. For example:

RUN apk add --no-cache fontconfig ttf-dejavu && /usr/glibc/sbin/ldconfig

[kpy3no]

after add RUN apk add --no-cache fontconfig ttf-dejavu && /usr/glibc/sbin/ldconfig.
there is error:

`[error occurred during error reporting ((null)), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing fatal error message), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing type of error), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing exception/signal name), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing current thread and pid), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing error message), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing Java version string), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing problematic frame), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing core file information), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing bug submit message), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing summary), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing VM option summary), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing summary machine and OS info), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing date and time), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing thread), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing current thread), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing current compile task), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing stack bounds), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing native stack), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing Java stack), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing target Java thread stack), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing siginfo), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (CDS archive access warning), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing register info), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing registers, top of stack, instructions near pc), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (inspecting top of stack), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing code blob if possible), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing VM operation), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing process), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing user info), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[error occurred during error reporting (printing all threads), id 0xb, SIGSEGV (0xb) at pc=0x00007f162879acf4]

[Too many errors, abort]
[Too many errors, abort]

`

my dockerfile
FROM bellsoft/liberica-openjre-alpine:11.0.13-8
COPY ./target/test-1.0-SNAPSHOT.jar test-1.0-SNAPSHOT.jar
RUN apk add fontconfig ttf-dejavu && /usr/glibc/sbin/ldconfig
ENTRYPOINT ["java","-jar","test-1.0-SNAPSHOT.jar"]

Work only after change base image:

FROM bellsoft/liberica-openjdk-debian:11.0.13-8
COPY ./target/test-1.0-SNAPSHOT.jar test-1.0-SNAPSHOT.jar
ENTRYPOINT ["java","-jar","test-1.0-SNAPSHOT.jar"]

[varpa89]

@kpy3no hi! have you found how to fix it with alpine image?

[varpa89]

@den1ska could you please help? what is the reason of
[Too many errors, abort]
?