![]() ![]() It calls jdb.exe from the Java Development Kit. The syntax contains four sections listed as follows: This chapter explains the syntax of JDB command. This is JDB version 1.6 (Java SE version 1.7.0_60) Verify the JDB version as follows: Platform PlatformĪppend the String "C:\Program Files\Java\jdk1.7.0_60\bin" at the end of the system variable PATH.Įxecute the command java -version from the command prompt as explained above. Set JAVA_HOME to C:\ProgramFiles\java\jdk1.7.0_60Īppend the full path of Java compiler location to the System Path. ![]() Set the environment variable JAVA_HOME to point to the base directory location where Java is installed on your machine. In case you do not have Java SDK, download its current version from the link and install it. We assume the readers of this tutorial have Java SDK version 1.7.0_60 installed on their system. Open JDK 64-Bit Server VM (build 23.7-b01, mixed mode) Java Hotspot (TM) 64-bit Server VM (build 24.60-b09,mixed mode) Java (TM) SE Run Time Environment (build 1.7.0_60-b19) A sample output is given in the following table. If the Java installation has been done properly, then it displays the current version and specifications of Java installation. To verify this, execute any of the two commands depending on the platform you are working on. Step 1: Verifying Java Installationįirst of all, you need to have Java Software Development Kit (SDK) installed on your system. Here are the system requirements for installing JDB: JDKįollow the simple steps given below to install JDB on your system. Therefore, JDK installation is enough for using JDB in command prompt. This chapter explains how to install JDB on Windows and Linux based systems. It uses JDWP for communication with the debuggee JVM. It is recommended to use a JDI layer for all debugger development. It defines the variable information at user code level. It is a high-level Java interface implemented as front end. The primary purpose of having a JDWP is to allow the debuggee and the debugger to communicate when they run under separate VMs or in separate platforms. It defines the format of information and the requests that pass in between the debuggee process and the debugger front end. It also uses a third-party channel called JDWP for communication. It allows an implementer (VM Implementer) that can be enclosed easily into the debugging architecture. It provides ways to inspect and debug the state of the application running on the VM. It is a native programming interface implemented by VM.
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