JDK 8 sa-jdi.jar is the JAR file for JDK 8 SA (Serviceability Agent) HSDB (Hotspot Debugger) tools. It contains Java classes to support different SA HSDB tool:

sun.jvm.hotspot.CLHSDB - Supports the CL (Command Line) version of SA HSDB. 
sun.jvm.hotspot.HSDB - Supports the GUI (Graphical User Interface) version of SA HSDB. 
sun.jvm.hotspot.tools.soql.JSDB - Supports the JSDB (JavaScript Debugger).
... 

JAR File Information:

Directory of C:\fyicenter\jdk-1.8.0_191\lib
       2,415,568 sa-jdi.jar

Package Content:

com/sun/java/swing/action/AboutAction.class
com/sun/java/swing/action/ActionManager.class
com/sun/java/swing/action/ActionUtilities.class
com/sun/java/swing/action/AlignCenterAction.class
com/sun/java/swing/action/AlignLeftAction.class
com/sun/java/swing/action/AlignRightAction.class
com/sun/java/swing/action/ApplyAction.class
com/sun/java/swing/action/BackAction.class
com/sun/java/swing/action/CancelAction.class
com/sun/java/swing/action/DelegateAction.class
com/sun/java/swing/action/ExitAction.class
com/sun/java/swing/action/FileMenu.class
com/sun/java/swing/action/FinishAction.class
com/sun/java/swing/action/HelpAction.class
com/sun/java/swing/action/HelpMenu.class
com/sun/java/swing/action/NewAction.class
com/sun/java/swing/action/NextAction.class
com/sun/java/swing/action/OkAction.class
com/sun/java/swing/action/OpenAction.class
com/sun/java/swing/action/SaveAction.class
com/sun/java/swing/action/SaveAsAction.class
com/sun/java/swing/action/StateChangeAction.class
com/sun/java/swing/action/ViewMenu.class
com/sun/java/swing/ui/CommonMenuBar.class
com/sun/java/swing/ui/CommonToolBar.class
com/sun/java/swing/ui/CommonUI.class
com/sun/java/swing/ui/OkCancelButtonPanel.class
com/sun/java/swing/ui/OkCancelDialog.class
com/sun/java/swing/ui/SplashScreen.class
com/sun/java/swing/ui/StatusBar.class
com/sun/java/swing/ui/TabsDlg.class
com/sun/java/swing/ui/ToggleActionPropertyChangeListener.class
com/sun/java/swing/ui/WizardDlg.class
oracle/jvm/hotspot/jfr/GlobalTraceBuffer.class
oracle/jvm/hotspot/jfr/JavaConstantPools.class
oracle/jvm/hotspot/jfr/JavaStringConstantPool.class
oracle/jvm/hotspot/jfr/JFR.class
oracle/jvm/hotspot/jfr/JFRBuffers.class
oracle/jvm/hotspot/jfr/JFRDebug.class
oracle/jvm/hotspot/jfr/JFREventWriter.class
oracle/jvm/hotspot/jfr/JFRGlobalBuffer.class
oracle/jvm/hotspot/jfr/JFROptions.class
oracle/jvm/hotspot/jfr/JFRProducers.class
oracle/jvm/hotspot/jfr/JFRRepository.class
oracle/jvm/hotspot/jfr/JFRStackFrame.class
oracle/jvm/hotspot/jfr/JFRStackTraceRepository.class
oracle/jvm/hotspot/jfr/JFRStreamWriter.class
oracle/jvm/hotspot/jfr/JFRThreadBuffer.class
oracle/jvm/hotspot/jfr/JFRTypeIDs.class
oracle/jvm/hotspot/jfr/Producer.class
oracle/jvm/hotspot/jfr/StackTrace.class
oracle/jvm/hotspot/jfr/StreamWriter.class
oracle/jvm/hotspot/jfr/ThreadGroupEntry.class
oracle/jvm/hotspot/jfr/ThreadGroupIDs.class
oracle/jvm/hotspot/jfr/ThreadLocalTraceBuffer.class
oracle/jvm/hotspot/jfr/ThreadStates.class
oracle/jvm/hotspot/jfr/TraceTypes.class
sun/jvm/hotspot/asm/arm/ARMFloatRegister.class
sun/jvm/hotspot/asm/arm/ARMFloatRegisters.class
sun/jvm/hotspot/asm/arm/ARMRegister.class
sun/jvm/hotspot/asm/arm/ARMRegisters.class
sun/jvm/hotspot/asm/Disassembler.class
sun/jvm/hotspot/asm/DummySymbolFinder.class
sun/jvm/hotspot/asm/ImmediateOrRegister.class
sun/jvm/hotspot/asm/InstructionVisitor.class
sun/jvm/hotspot/asm/Operand.class
sun/jvm/hotspot/asm/ppc/PPCFloatRegister.class
sun/jvm/hotspot/asm/ppc/PPCFloatRegisters.class
sun/jvm/hotspot/asm/ppc/PPCRegister.class
sun/jvm/hotspot/asm/ppc/PPCRegisters.class
sun/jvm/hotspot/asm/Register.class
sun/jvm/hotspot/asm/sparc/SPARCArgument.class
sun/jvm/hotspot/asm/sparc/SPARCRegister.class
sun/jvm/hotspot/asm/sparc/SPARCRegisters.class
sun/jvm/hotspot/asm/sparc/SPARCRegisterType.class
sun/jvm/hotspot/asm/SymbolFinder.class
sun/jvm/hotspot/BsdVtblAccess.class
sun/jvm/hotspot/c1/Runtime1.class
sun/jvm/hotspot/ci/ciArrayKlass.class
sun/jvm/hotspot/ci/ciBaseObject.class
sun/jvm/hotspot/ci/ciConstant.class
sun/jvm/hotspot/ci/ciEnv.class
sun/jvm/hotspot/ci/ciField.class
sun/jvm/hotspot/ci/ciInstance.class
sun/jvm/hotspot/ci/ciInstanceKlass.class
sun/jvm/hotspot/ci/ciKlass.class
sun/jvm/hotspot/ci/ciMetadata.class
sun/jvm/hotspot/ci/ciMethod.class
sun/jvm/hotspot/ci/ciMethodData.class
sun/jvm/hotspot/ci/ciObjArrayKlass.class
sun/jvm/hotspot/ci/ciObject.class
sun/jvm/hotspot/ci/ciObjectFactory.class
sun/jvm/hotspot/ci/ciReceiverTypeData.class
sun/jvm/hotspot/ci/ciSymbol.class
sun/jvm/hotspot/ci/ciType.class
sun/jvm/hotspot/ci/ciTypeArrayKlass.class
sun/jvm/hotspot/ci/ciVirtualCallData.class
sun/jvm/hotspot/classfile/ClassLoaderData.class
sun/jvm/hotspot/CLHSDB.class
sun/jvm/hotspot/code/AdapterBlob.class
sun/jvm/hotspot/code/BufferBlob.class
sun/jvm/hotspot/code/CodeBlob.class
sun/jvm/hotspot/code/CodeCache.class
sun/jvm/hotspot/code/CodeCacheVisitor.class
sun/jvm/hotspot/code/CompressedReadStream.class
sun/jvm/hotspot/code/CompressedStream.class
sun/jvm/hotspot/code/CompressedWriteStream.class
sun/jvm/hotspot/code/ConstantDoubleValue.class
sun/jvm/hotspot/code/ConstantIntValue.class
sun/jvm/hotspot/code/ConstantLongValue.class
sun/jvm/hotspot/code/ConstantOopReadValue.class
sun/jvm/hotspot/code/DebugInfoReadStream.class
sun/jvm/hotspot/code/DebugInformationRecorder.class
sun/jvm/hotspot/code/DeoptimizationBlob.class
sun/jvm/hotspot/code/ExceptionBlob.class
sun/jvm/hotspot/code/Location.class
sun/jvm/hotspot/code/LocationValue.class
sun/jvm/hotspot/code/MethodHandlesAdapterBlob.class
sun/jvm/hotspot/code/MonitorValue.class
sun/jvm/hotspot/code/NMethod.class
sun/jvm/hotspot/code/ObjectValue.class
sun/jvm/hotspot/code/PCDesc.class
sun/jvm/hotspot/code/RuntimeStub.class
sun/jvm/hotspot/code/SafepointBlob.class
sun/jvm/hotspot/code/ScopeDesc.class
sun/jvm/hotspot/code/ScopeValue.class
sun/jvm/hotspot/code/SingletonBlob.class
sun/jvm/hotspot/code/Stub.class
sun/jvm/hotspot/code/StubQueue.class
sun/jvm/hotspot/code/UncommonTrapBlob.class
sun/jvm/hotspot/code/VMRegImpl.class
sun/jvm/hotspot/CommandProcessor.class
sun/jvm/hotspot/compiler/CompileTask.class
sun/jvm/hotspot/compiler/OopMap.class
sun/jvm/hotspot/compiler/OopMapSet.class
sun/jvm/hotspot/compiler/OopMapStream.class
sun/jvm/hotspot/compiler/OopMapValue.class
sun/jvm/hotspot/compiler/OopMapVisitor.class
sun/jvm/hotspot/debugger/Address.class
sun/jvm/hotspot/debugger/AddressException.class
sun/jvm/hotspot/debugger/amd64/AMD64ThreadContext.class
sun/jvm/hotspot/debugger/arm/ARMThreadContext.class
sun/jvm/hotspot/debugger/bsd/amd64/BsdAMD64CFrame.class
sun/jvm/hotspot/debugger/bsd/amd64/BsdAMD64ThreadContext.class
sun/jvm/hotspot/debugger/bsd/BsdAddress.class
sun/jvm/hotspot/debugger/bsd/BsdCDebugger.class
sun/jvm/hotspot/debugger/bsd/BsdDebugger.class
sun/jvm/hotspot/debugger/bsd/BsdDebuggerLocal.class
sun/jvm/hotspot/debugger/bsd/BsdOopHandle.class
sun/jvm/hotspot/debugger/bsd/BsdThread.class
sun/jvm/hotspot/debugger/bsd/BsdThreadContextFactory.class
sun/jvm/hotspot/debugger/bsd/SharedObject.class
sun/jvm/hotspot/debugger/bsd/x86/BsdX86CFrame.class
sun/jvm/hotspot/debugger/bsd/x86/BsdX86ThreadContext.class
sun/jvm/hotspot/debugger/cdbg/AccessControl.class
sun/jvm/hotspot/debugger/cdbg/ArrayType.class
sun/jvm/hotspot/debugger/cdbg/BaseClass.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicArrayType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicBaseClass.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicBitType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicBlockSym.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicCDebugInfoDataBase.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicCFrame.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicCompoundType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicDebugEvent.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicDoubleType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicEnumType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicField.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicFloatType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicFunctionSym.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicFunctionType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicGlobalSym.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicIndexableFieldIdentifier.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicIntType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicLineNumberInfo.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicLineNumberMapping.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicLocalSym.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicMemberFunctionType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicNamedFieldIdentifier.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicPointerType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicRefType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicSym.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicType.class
sun/jvm/hotspot/debugger/cdbg/basic/BasicVoidType.class
sun/jvm/hotspot/debugger/cdbg/basic/CompoundTypeKind.class
sun/jvm/hotspot/debugger/cdbg/basic/LazyBlockSym.class
sun/jvm/hotspot/debugger/cdbg/basic/LazyType.class
sun/jvm/hotspot/debugger/cdbg/basic/ResolveListener.class
sun/jvm/hotspot/debugger/cdbg/BitType.class
sun/jvm/hotspot/debugger/cdbg/BlockSym.class
sun/jvm/hotspot/debugger/cdbg/CDebugger.class
sun/jvm/hotspot/debugger/cdbg/CDebugInfoDataBase.class
sun/jvm/hotspot/debugger/cdbg/CFrame.class
sun/jvm/hotspot/debugger/cdbg/ClosestSymbol.class
sun/jvm/hotspot/debugger/cdbg/CompoundType.class
sun/jvm/hotspot/debugger/cdbg/CVAttributes.class
sun/jvm/hotspot/debugger/cdbg/DebugEvent.class
sun/jvm/hotspot/debugger/cdbg/DefaultObjectVisitor.class
sun/jvm/hotspot/debugger/cdbg/DoubleType.class
sun/jvm/hotspot/debugger/cdbg/EnumType.class
sun/jvm/hotspot/debugger/cdbg/Field.class
sun/jvm/hotspot/debugger/cdbg/FieldIdentifier.class
sun/jvm/hotspot/debugger/cdbg/FloatType.class
sun/jvm/hotspot/debugger/cdbg/FunctionSym.class
sun/jvm/hotspot/debugger/cdbg/FunctionType.class
sun/jvm/hotspot/debugger/cdbg/GlobalSym.class
sun/jvm/hotspot/debugger/cdbg/IndexableFieldIdentifier.class
sun/jvm/hotspot/debugger/cdbg/IntType.class
sun/jvm/hotspot/debugger/cdbg/LineNumberInfo.class
sun/jvm/hotspot/debugger/cdbg/LineNumberVisitor.class
sun/jvm/hotspot/debugger/cdbg/LoadObject.class
sun/jvm/hotspot/debugger/cdbg/LoadObjectComparator.class
sun/jvm/hotspot/debugger/cdbg/LocalSym.class
sun/jvm/hotspot/debugger/cdbg/MemberFunctionType.class
sun/jvm/hotspot/debugger/cdbg/NamedFieldIdentifier.class
sun/jvm/hotspot/debugger/cdbg/ObjectVisitor.class
sun/jvm/hotspot/debugger/cdbg/PointerType.class
sun/jvm/hotspot/debugger/cdbg/ProcessControl.class
sun/jvm/hotspot/debugger/cdbg/RefType.class
sun/jvm/hotspot/debugger/cdbg/Sym.class
sun/jvm/hotspot/debugger/cdbg/TemplateType.class
sun/jvm/hotspot/debugger/cdbg/Type.class
sun/jvm/hotspot/debugger/cdbg/TypeVisitor.class
sun/jvm/hotspot/debugger/cdbg/VoidType.class
sun/jvm/hotspot/debugger/DataSource.class
sun/jvm/hotspot/debugger/Debugger.class
sun/jvm/hotspot/debugger/DebuggerBase.class
sun/jvm/hotspot/debugger/DebuggerException.class
sun/jvm/hotspot/debugger/DebuggerUtilities.class
sun/jvm/hotspot/debugger/dummy/DummyAddress.class
sun/jvm/hotspot/debugger/dummy/DummyDebugger.class
sun/jvm/hotspot/debugger/dummy/DummyOopHandle.class
sun/jvm/hotspot/debugger/ia64/IA64ThreadContext.class
sun/jvm/hotspot/debugger/InputLexer.class
sun/jvm/hotspot/debugger/JVMDebugger.class
sun/jvm/hotspot/debugger/linux/aarch64/LinuxAARCH64ThreadContext.class
sun/jvm/hotspot/debugger/linux/amd64/LinuxAMD64CFrame.class
sun/jvm/hotspot/debugger/linux/amd64/LinuxAMD64ThreadContext.class
sun/jvm/hotspot/debugger/linux/arm/LinuxARMCFrame.class
sun/jvm/hotspot/debugger/linux/arm/LinuxARMThreadContext.class
sun/jvm/hotspot/debugger/linux/ia64/LinuxIA64ThreadContext.class
sun/jvm/hotspot/debugger/linux/LinuxAddress.class
sun/jvm/hotspot/debugger/linux/LinuxCDebugger.class
sun/jvm/hotspot/debugger/linux/LinuxDebugger.class
sun/jvm/hotspot/debugger/linux/LinuxDebuggerLocal.class
sun/jvm/hotspot/debugger/linux/LinuxOopHandle.class
sun/jvm/hotspot/debugger/linux/LinuxThread.class
sun/jvm/hotspot/debugger/linux/LinuxThreadContextFactory.class
sun/jvm/hotspot/debugger/linux/ppc/LinuxPPCCFrame.class
sun/jvm/hotspot/debugger/linux/ppc/LinuxPPCThreadContext.class
sun/jvm/hotspot/debugger/linux/SharedObject.class
sun/jvm/hotspot/debugger/linux/sparc/LinuxSPARCCFrame.class
sun/jvm/hotspot/debugger/linux/sparc/LinuxSPARCThreadContext.class
sun/jvm/hotspot/debugger/linux/x86/LinuxX86CFrame.class
sun/jvm/hotspot/debugger/linux/x86/LinuxX86ThreadContext.class
sun/jvm/hotspot/debugger/LongHashMap.class
sun/jvm/hotspot/debugger/MachineDescription.class
sun/jvm/hotspot/debugger/MachineDescriptionAARCH64.class
sun/jvm/hotspot/debugger/MachineDescriptionAMD64.class
sun/jvm/hotspot/debugger/MachineDescriptionARM.class
sun/jvm/hotspot/debugger/MachineDescriptionIA64.class
sun/jvm/hotspot/debugger/MachineDescriptionIntelX86.class
sun/jvm/hotspot/debugger/MachineDescriptionPPC.class
sun/jvm/hotspot/debugger/MachineDescriptionSPARC32Bit.class
sun/jvm/hotspot/debugger/MachineDescriptionSPARC64Bit.class
sun/jvm/hotspot/debugger/MachineDescriptionTwosComplement.class
sun/jvm/hotspot/debugger/MappedByteBufferDataSource.class
sun/jvm/hotspot/debugger/NoSuchSymbolException.class
sun/jvm/hotspot/debugger/NotInHeapException.class
sun/jvm/hotspot/debugger/OopHandle.class
sun/jvm/hotspot/debugger/Page.class
sun/jvm/hotspot/debugger/PageCache.class
sun/jvm/hotspot/debugger/PageFetcher.class
sun/jvm/hotspot/debugger/posix/AddressDataSource.class
sun/jvm/hotspot/debugger/posix/DSO.class
Next part >>

⇒ JDK 8 tools.jar - JDK Tools

⇐ JDK 8 packager.jar - Packager Tool

⇑ Download and Use JDK 8

⇑⇑ FAQ for JDK (Java Development Kit)