Debugging

Breakpoints

Breakpoints - Evaluate and log

• Requirements

  • Must be a statement ended with a semicolon.
  • Must be a single line.
  • The statement must return a String.

• Example

  Breakpoint - org.springframework.boot.env.PropertiesPropertySourceLoader.loadProperties#L73 (opens in a new tab)

  // Evaluate and log
  result.stream()
        .flatMap(m -> m.entrySet().stream())
        .map(e -> String.format("%s : %s", e.getKey(), e.getValue()))
        .collect(Collectors.joining("\n"));

  Output:

  property-source-begin : >>>>>>>>>>>>>>>>>> test-classes/application.properties
  property-source-end : <<<<<<<<<<<<<<<<<< test-classes/application.properties
  property-source-begin : >>>>>>>>>>>>>>>>>> test-classes/application-aws.properties
  logging.level.software.amazon.awssdk : warn
  logging.level.software.amazon.awssdk.request : info
  logging.level.io.netty.handler.logging : debug
  logging.level.io.awspring.cloud : debug
  ccom.aws.s3.bucket.name : nab.ccom.ms-message-hub
  ccom.aws.s3.ms_message_hub.email : message-store/email
  ccom.aws.s3.ms_message_hub.email-content : message-store/email-content
  ccom.aws.s3.ms_message_hub.email-message-s3-key-format : /%s/%s/%s/%s-%s-%s.avro
  ccom.aws.s3.ms_message_hub.email-content-s3-key-format : /%s-%s.eml
  property-source-end : <<<<<<<<<<<<<<<<<< test-classes/application-aws.properties
  property-source-begin : >>>>>>>>>>>>>>>>>> classes/application-db.properties
  spring.datasource.driver-class-name : org.postgresql.Driver
  spring.datasource.url : jdbc:postgresql://${db.host}:5432/ms_message_hub_db
  spring.datasource.username : ms_message_hub
  spring.datasource.password : ms_message_hub
  spring.flyway.enabled : true
  spring.flyway.locations : classpath:db/migration
  spring.flyway.default-schema : public
  spring.jpa.open-in-view : false
  spring.jpa.generate-ddl : false
  spring.jpa.hibernate.ddl-auto : none
  spring.jpa.properties.hibernate.format_sql : true
  spring.sql.init.mode : never
  logging.level.org.flywaydb.core.internal.sqlscript : warn
  logging.level.org.flywaydb.core : warn
  logging.level.org.hibernate : warn
  logging.level.org.hibernate.SQL : warn
  logging.level.org.hibernate.orm.jdbc.bind : warn
  logging.level.org.hibernate.stat : warn
  logging.level.org.hibernate.SQL_SLOW : warn
  logging.level.org.hibernate.cache : warn
  logging.level.io.awspring.cloud : warn
  property-source-end : <<<<<<<<<<<<<<<<<< classes/application-db.properties
  org.springframework.boot.context.config.ConfigDataEnvironmentContributors@6a96aa01

Short-cut keys

Live templates

• IntelliJ IDEA Help - Live template variables (opens in a new tab)

Plugins

• SonarQube for IDE (opens in a new tab)

Light Edit mode

• idea -e <file>

  LightEdit mode (opens in a new tab)

Resources

• What's New (opens in a new tab)
• Directories used by the IDE to store settings, caches, plugins and logs (opens in a new tab)
• Changing IDE default directories used for config, plugins, and caches storage (opens in a new tab)
• IntelliJ IDEA - Source code navigation (opens in a new tab)