antonarhipov

public class App {
  static {
    new Thread(() -> {
      Server server = new Server(8080);

      ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS);
      context.setContextPath("/");
      server.setHandler(context);

      try {

antonarhipov

<dependencies>
  <dependency>
    <groupId>org.eclipse.jetty</groupId>
    <artifactId>jetty-server</artifactId>
    <version>9.4.6.v20170531</version>
  </dependency>
  <dependency>
    <groupId>org.eclipse.jetty</groupId>
    <artifactId>jetty-servlet</artifactId>

antonarhipov

package com.zt;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URL;
import java.net.URLConnection;
import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;

antonarhipov

    final FileReader in = new FileReader(new File("lines.txt"));
    BufferedReader reader = new BufferedReader(in);

    final ArrayList<String> strings = new ArrayList<>();

    String line;

    while ((line = reader.readLine()) != null) {
      strings.add(line);
    }

antonarhipov

for file in `find . -name *.jar`; do jar -ft $file >> ~/out.txt ; done
grep "com/sun/[a-z]" out.txt | awk -F"/" '{print $1"/"$2"/"$3}' | sort -u

com/sun/accessibility
com/sun/activation
com/sun/applet2
com/sun/awt
com/sun/beans
com/sun/codemodel
com/sun/corba

antonarhipov

from isuper/java-oracle:jdk_8

ENV JRE_HOME=/usr/lib/jvm/java-8-oracle

run curl -Lks https://www.atlassian.com/software/jira/downloads/binary/atlassian-jira-software-7.0.5-jira-7.0.5.tar.gz -o /root/jira.tar.gz
run /usr/sbin/useradd --create-home --home-dir /usr/local/jira --shell /bin/bash jira
run mkdir -p /opt/jira
run tar zxf /root/jira.tar.gz --strip=1 -C /opt/jira
run mkdir -p /opt/jira-home
run echo "jira.home = /opt/jira-home" > /opt/jira/atlassian-jira/WEB-INF/classes/jira-application.properties

antonarhipov

public class NullPointerExceptionsPuzzle {
  public static void main(String[] args) {
    try {
      throw new NullPointerException("NullPointerException 1");
    } catch (NullPointerException e) {
      throw new NullPointerException("NullPointerException 2");
    } finally {
      return;
    }
  }

antonarhipov

" set cursorline
set expandtab
set modelines=0
set shiftwidth=2
set clipboard=unnamed
set synmaxcol=128
set ttyscroll=10
set encoding=utf-8
set tabstop=2
set nowrap

antonarhipov

//in build.gradle:

tasks.withType(JavaExec) { jvmArgs "-javaagent:xrebel.jar" }

antonarhipov

//in build.gradle:

project.afterEvaluate {
  for (Task task : project.getTasks()) {
    if (task instanceof JavaExec) {
      (task as JavaExec).jvmArgs "-javaagent:xrebel.jar"
    }
  }
}