gunnarmorling

Hello World

gunnarmorling

IllegalAccessError: class com.fasterxml.jackson.databind.node.JsonNodeFactoryConstructorAccess tried to access protected method 'void com.fasterxml.jackson.databind.node.JsonNodeFactory.<init>()' (com.fasterxml.jackson.databind.node.JsonNodeFactoryConstructorAccess is in unnamed module of loader com.esotericsoftware.reflectasm.AccessClassLoader @de1a7f7; com.fasterxml.jackson.databind.node.JsonNodeFactory is in unnamed module of loader 'app')
	

gunnarmorling

export EXTRA_ARGS="-XX:AOTMode=create -XX:AOTConfiguration=app.aotconf -XX:AOTCache=app.aot"

bin/kafka-server-start.sh config/kraft/reconfig-server.properties
java.lang.IllegalArgumentException: javax.management.NotCompliantMBeanException: com.sun.management.UnixOperatingSystemMXBean: During -Xshare:dump, module system cannot be modified after it's initialized
	at java.management/javax.management.StandardMBean.<init>(StandardMBean.java:270)
	at java.management/java.lang.management.ManagementFactory.addMXBean(ManagementFactory.java:882)
	at java.management/java.lang.management.ManagementFactory.lambda$getPlatformMBeanServer$1(ManagementFactory.java:474)
	at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:186)
	at java.base/java.util.Collections$2.tryAdvance(Collections.java:5075)
	at java.base/java.util.Collections$2.forEachRemaining(Collections.java:5083)

gunnarmorling

Comments in JSON

Look, ma:

{
  "connector.class" : "io.debezium.connector.postgresql.PostgresConnector",
  "tasks.max" : "1",
  
 // connection details

gunnarmorling

diff --git a/pyflink-walkthrough/Dockerfile b/pyflink-walkthrough/Dockerfile
index eb9afc1..c93b29a 100644
--- a/pyflink-walkthrough/Dockerfile
+++ b/pyflink-walkthrough/Dockerfile
@@ -28,7 +28,7 @@ ARG FLINK_VERSION=1.16.0
 # debian bullseye which ships with that version, so build python3.7 here.
 RUN set -ex; \
   apt-get update && \
-  apt-get install -y build-essential libssl-dev zlib1g-dev libbz2-dev libffi-dev && \
+  apt-get install -y build-essential libssl-dev zlib1g-dev libbz2-dev libffi-dev lzma liblzma-dev && \

gunnarmorling

<!-- plug-in configuration to put into your parent POM for avoiding any usages of
     outdated log4j2 versions, some of which are subject to the RCE CVE-2021-44228
     ("Log4Shell"), CVE-2021-45046, and CVE-2021-45105. Make sure to check for the
     latest version of log4j2 at
     https://mvnrepository.com/artifact/org.apache.logging.log4j/log4j-core -->
...
<plugin>
  <groupId>org.apache.maven.plugins</groupId>
  <artifactId>maven-enforcer-plugin</artifactId>
  <version>3.0.0</version>

gunnarmorling

package org.kcctl.command;

@TextBlocksRock(
  """
  <?xml version="1.0"?>
  <we>
    <![CDATA[
    can:
      do: |
        {

gunnarmorling

/*
 * Copyright Gunnar Morling.
 *
 * Licensed under the Apache Software License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
 */
package dev.morling;

import java.util.List;
import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;

gunnarmorling

public class Jbang {
    public static void main(String... args) {
        String heyRick = """
        `````````.-::/+oooooo+ooo++/-.........```...--..-..--......................`...`````...-://++++++/////+++++++++//+++++++++++++++++++++++++++
`````.```..----/+oooooooooooo+:-.................---------------::-...`........`........-://++/+++//++++++++++////+++++++++++++++++++///+++/
`````````..--.--:/+oooooooooooo+/-....................---------://///:--.....```..`......-:////////////+++++////+++++++++o++++ooooo+++++++++
````````........--:/ossoooooooooo+/:-.................--------:::///++++/:-...```.........-://///+++++++++++++++++++++++++++/+++++++++++++++
``````````.`...``..-:/ooooooooooooo+/----.....----..------::::///::-://::::::-......`......-:///////++++++/++++++ooo+++//+++///++++++++++++/
``````````.````````...:+ooooooooo+/:----.----:::///:::///////////:::://::/+++/:--..`........-://///+++++++///+++++++++++++++++++++++++///+//
``````````...``.````...-/ooosso/::--......---:///////:::::------..--:////+

gunnarmorling

package dev.morling.demos.usertype;

import java.io.Serializable;
import java.math.BigDecimal;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Types;
import java.util.Objects;