I’m looking for a chaos testing tool to run in a Kubernetes environment. I have a micro-services environment in which every service runs on a separate pod. I’m looking to cause network connectivity issues, file system errors, services crash, and so on. I want to do it – and this is the most important part ..
Tag : java
I am creating a web project using java. Here I am downloading a file from web and I must need to transfer the downloaded file to the docker container. I am using the docker API PUT /containers/{id}/archive https://docs.docker.com/engine/api/v1.41/#operation/PutContainerArchive But, this gives error like below: For copying a simple text file: { "message": "Error processing tar ..
I want to execute a file in new docker container lets say i want to execute Hello.java which prints Hello World. I want to execute this file inside new docker container. docker run -it -v /Hello.class:/Hello.class alpine:latest ls -l It shows that Hello.class is a directory. I want it as a file so that i ..
I have a Jar running code leveraging the hadoop libraries with the LocalFilesystem. This code is running in Docker and deployed on a remote Kubernetes cluster. I can run this code locally in a Docker container and it works fine. When I deploy I get this error: Exception in thread "main" java.lang.NullPointerException: Cannot invoke "org.apache.hadoop.conf.Configuration.getLong(String, ..
How can I modify server.xml in docker container’s tomcat? I tried copying the server.xml from the container, add a line, and copy it back to the container by ‘docker cp’. Exactly same modification worked fine at my local, but in docker, tomcat didn’t work after the modification. This is my Dockerfile FROM tomcat:9-jre9 MAINTAINER [email protected] ..
Is there any way to copy files from host to docker container without using docker cp command? I am developing a web project using java. In that I need to download a file from web and copy that file to my docker container. How can I do it without using docker cp command? Kindly resolve ..
So I have a Spring boot application that runs on port 8080 on my localhost. It connects to an Azure sqlserver database and pulls or inserts item from that database. Locally everything is working fine. Now I’m trying to dockerize the application. My Dockerfile looks like this: FROM maven:3.5-jdk-8 AS build COPY src /usr/src/app/src COPY ..
I have a Helm Chart. Which on deployment creates the following Kubernetes resources: A SSL enabled Service A Container created with my Docker image which internally runs a Java process that communicates with the above service. Kubernetes Secrets (SSL certificates and access keys), that are mounted inside the above container. The problem is my Container ..
My Dockerfile FROM maven:3.5-jdk-8 AS build COPY src /usr/src/app/src COPY pom.xml /usr/src/app RUN mvn -f /usr/src/app/pom.xml clean package FROM gcr.io/distroless/java:debug COPY –from=build /usr/src/app/target /usr/app/target COPY –from=build /usr/src/app/src /usr/app/src EXPOSE 8080 ENTRYPOINT ["java", "-cp", "/usr/app/target/classes:/usr/app/target/dependency-jars/*", "com.salesforce.Main"] Local MacBook Docker container java version openjdk version "1.8.0_275" OpenJDK Runtime Environment (build 1.8.0_275-8u275-b01-1~deb9u1-b01) OpenJDK 64-Bit Server VM (build 25.275-b01, ..
I’m trying out FnProject with the intention of porting my java application into a function. The problem is that my application has dependencies that are hosted on a private Nexus maven repository. On my machine I simply have a .m2/settings.xml file with the configurations, username and password to access the Nexus repository, but I have ..
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