java-11 – Page 6 – Tarik Billa

How to avoid “Sharing is only supported for boot loader classes because bootstrap classpath has been appended” warning during debug with Java 11?

November 20, 2022 by Tarik

I had this issue too after installing jdk-12.0.1_windows-x64_bin.zip when trying to use the debugger with IntelliJ IDEA. I was getting an error of (Java HotSpot(TM) 64-Bit Server VM warning: Sharing is only supported for boot loader classes because bootstrap classpath has been appended). I found, too, going into Setting and search for async and unchecking … Read more

Unable to compile simple Java 10 / Java 11 project with Maven

October 26, 2022 by Tarik

As of 30Jul, 2018 to fix the above issue, one can configure the java version used within maven to any up to JDK/11 and make use of the maven-compiler-plugin:3.8.0 to specify a release of either 9,10,11 without any explicit dependencies. <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.0</version> <configuration> <release>11</release> <!–or <release>10</release>–> </configuration> </plugin> Note:- The default value for … Read more

Error: Java: invalid target release: 11 – IntelliJ IDEA

October 25, 2022 by Tarik

I’ve got the same issue as stated by Gryu. Same Intellij 2018 3.3 I was able to start my project by setting (like stated by Grigoriy) File->Project Structure->Modules ->> Language level to 8 ( my maven project was set to 1.8 java) AND File -> Settings -> Build, Execution, Deployment -> Compiler -> Java Compiler … Read more

Difference between String trim() and strip() methods in Java 11

October 23, 2022 by Tarik

In short: strip() is “Unicode-aware” evolution of trim(). Meaning trim() removes only characters <= U+0020 (space); strip() removes all Unicode whitespace characters (but not all control characters, such as \0) CSR : JDK-8200378 Problem String::trim has existed from early days of Java when Unicode had not fully evolved to the standard we widely use today. … Read more

Why is the Java 11 base Docker image so large? (openjdk:11-jre-slim)

October 18, 2022 by Tarik

Why is alpine not used any more as a base image for Java 11 slim images? That’s because, sadly, there is no official stable OpenJDK 11 build for Alpine currently. Alpine uses musl libc, as opposed to the standard glibc used by most Linuxes out there, which means that a JVM must be compatible with … Read more

How to install JDK 11 under Ubuntu?

October 12, 2022 by Tarik

Now it is possible to install openjdk-11 this way: sudo apt-get install openjdk-11-jdk (Previously it installed openjdk-10, but not anymore)

Java 11 package javax.xml.bind does not exist [duplicate]

September 28, 2022 by Tarik

According to the release-notes, Java 11 removed the Java EE modules: java.xml.bind (JAXB) – REMOVED Java 8 – OK Java 9 – DEPRECATED Java 10 – DEPRECATED Java 11 – REMOVED See JEP 320 for more info. You can fix the issue by using alternate versions of the Java EE technologies. Simply add Maven dependencies … Read more

How to install OpenJDK 11 on Windows?

September 21, 2022 by Tarik

Extract the zip file into a folder, e.g. C:\Program Files\Java\ and it will create a jdk-11 folder (where the bin folder is a direct sub-folder). You may need Administrator privileges to extract the zip file to this location. Set a PATH: Select Control Panel and then System. Click Advanced and then Environment Variables. Add the … Read more

How to resolve java.lang.NoClassDefFoundError: javax/xml/bind/JAXBException

September 1, 2022 by Tarik

The JAXB APIs are considered to be Java EE APIs and therefore are no longer contained on the default classpath in Java SE 9. In Java 11, they are completely removed from the JDK. Java 9 introduces the concepts of modules, and by default, the java.se aggregate module is available on the classpath (or rather, … Read more