SSA3RN_21.0 - Documentation Index

Table of Contents

• Welcome
• SDK user guide
  • Accessibility and inclusivity
  • What's new
    • First release: Version 21.0.4.0
    • Version 21.0.6.0
    • Version 21.0.7.0
    • Version 21.0.8.0
    • Version 21.0.9.1
    • Version 21.0.10.0
    • Version 21.0.10.1
    • Version 21.0.11.0
  • Migrating
    • Migrating from earlier releases of IBM Semeru Certified Edition for z/OS
    • Migrating from FIPS 140-2 to FIPS 140-3
    • Semeru fonts support on z/OS
    • Version compatibility
  • Installing the SDK
    • IBM z/OS Container Platform image
  • Configuring
    • Configuring time zone
    • Updating Daylight Saving Time
  • Developing Java applications
    • Debugging Java applications
    • Support for XToolkit
    • Default Swing key bindings
    • Porting Java applications to 64-bit systems
      • General porting considerations
      • Porting native code from 31-bit to 64-bit systems
      • JNI considerations
      • Usage of the JNI interface
    • Distributing Java applications
  • Running Java applications
  • Performance tuning
  • Security
  • File encoding and UTF-8 as default charset
  • Usage guidelines for System.out and System.err on z/OS
  • Troubleshooting and support
    • Problem determination
      • Setting up and checking your z/OS environment
        • Private storage usage
        • Setting up dumps on z/OS
      • General debugging techniques
        • Using IPCS commands
        • Using dbx
        • Interpreting error message IDs
      • Diagnosing crashes
        • Documents to gather
        • Determining the failing function
        • Working with TDUMPs using IPCS
          • Useful IPCS commands and some sample output
      • Debugging hangs
        • The process is deadlocked
        • The process is looping
        • The process is performing badly
      • Understanding Memory Usage
        • Allocations to LE HEAP
        • z/OS virtual storage
        • Receiving OutOfMemoryError exceptions
        • Tracing leaks
          • Tracing application use of direct byte buffers
          • –Xrunjnichk option
          • -Xcheck:memory option
        • Using Heapdump to debug memory leaks
      • Debugging performance problems on z/OS
        • Finding the bottleneck
        • z/OS systems resource usage
        • JIT compilation and performance
      • MustGather information for z/OS
    • Known issues and limitations
    • Using diagnostic tools
    • Submitting problem reports
  • zEnterprise Data Compression
  • JZOS Batch Launcher and Toolkit
    • Installing the JZOS batch launcher
    • IBM JZOS batch launcher user's guide
      • Specifying the Java main class and its arguments
      • Setting batch launcher logging levels
      • Configuring environment variables for JZOS
      • Java SDK options and system properties
      • Files used by the batch launcher
      • MVS console interface
      • Controlling output encoding
      • Messages, return codes, and abnormal termination
      • Language Environment runtime options
      • Java runtime statistics
      • Troubleshooting
    • IBM JZOS toolkit user's guide
      • File and MVS data set I/O
      • Writing messages to the system console or log
      • Handling MVS START and MODIFY commands
      • Editing ASCII files on z/OS
      • z/OS CMPSC compression algorithm
      • Managing IBM JZOS dependencies by using Maven
    • JZOS messages
      • JVMJZBL1001N
      • JVMJZBL1002N
      • JVMJZBL1003E
      • JVMJZBL1004E
      • JVMJZBL1005I
      • JVMJZBL1006I
      • JVMJZBL1007E
      • JVMJZBL1008I
      • JVMJZBL1009E
      • JVMJZBL1010E
      • JVMJZBL1011E
      • JVMJZBL1012I
      • JVMJZBL1013I
      • JVMJZBL1014I
      • JVMJZBL1015N
      • JVMJZBL1016I
      • JVMJZBL1017E
      • JVMJZBL1018E
      • JVMJZBL1019E
      • JVMJZBL1020E
      • JVMJZBL1021I
      • JVMJZBL1022E
      • JVMJZBL1023I
      • JVMJZBL1024I
      • JVMJZBL1025I
      • JVMJZBL1026W
      • JVMJZBL1027I
      • JVMJZBL1028I
      • JVMJZBL1029I
      • JVMJZBL1030E
      • JVMJZBL1031E
      • JVMJZBL1032E
      • JVMJZBL1033E
      • JVMJZBL1034E
      • JVMJZBL1035E
      • JVMJZBL1036D
      • JVMJZBL1037E
      • JVMJZBL1038E
      • JVMJZBL1039E
      • JVMJZBL1040E
      • JVMJZBL1041E
      • JVMJZBL1042E
      • JVMJZBL1043N
      • JVMJZBL1044E
      • JVMJZBL1045E
      • JVMJZBL1046E
      • JVMJZBL1047W
      • JVMJZBL1048N
      • JVMJZBL1049W
      • JVMJZBL1050E
      • JVMJZBL1051E
      • JVMJZBL1052E
      • JVMJZBL1053I
      • JVMJZBL1054W
      • JVMJZBL1055E
      • JVMJZBL1056I
      • JVMJZBL1057I
      • JVMJZBL1058E
      • JVMJZBL1059N
      • JVMJZBL1060E
      • JVMJZBL1061E
      • JVMJZBL1062W
      • JVMJZBL1063W
      • JVMJZBL1064E
      • JVMJZBL1065E
      • JVMJZBL1066W
      • JVMJZBL/JVMJZTK2001E
      • JVMJZBL/JVMJZTK2002D
      • JVMJZBL/JVMJZTK2003D
      • JVMJZBL/JVMJZTK2004I
      • JVMJZBL/JVMJZTK2005I
      • JVMJZBL/JVMJZTK2006E
      • JVMJZBL/JVMJZTK2007E
      • JVMJZBL/JVMJZTK2008E
      • JVMJZBL/JVMJZTK2009E
      • JVMJZBL/JVMJZTK2010E
      • JVMJZBL/JVMJZTK2999T/D
  • Notices
• J9 VM reference
  • J9 VM components
  • How the JVM processes signals
  • J9 issues and limitations
  • Memory management
    • How to do heap sizing
      • Initial and maximum heap sizes
      • Using verbose:gc
      • Using fine tuning options
      • Heap sizing problems
    • Garbage Collector diagnostic data
      • -Xtgc tracing
  • The JIT compiler
    • How the JIT compiler optimizes code
    • Frequently asked questions about the JIT compiler
    • Enabling and disabling the JIT compiler
      • Disabling the JIT
      • Enabling the JIT
      • Determining whether the JIT is enabled
    • Diagnosing a JIT or AOT problem
      • Disabling the JIT or AOT compiler
      • Selectively disabling the JIT or AOT compiler
      • Locating the failing method
      • Identifying JIT compilation failures
      • Identifying AOT compilation failures
    • Performance of short-running applications
  • The AOT compiler
  • Class data sharing
  • Support for the Java Attach API
  • Diagnostic component
    • Diagnostic tools and data
    • Scenarios in which dump files might not be produced
      • Identifying if the race condition exists
      • Obtaining system dump files in a race condition
      • System resource limits
    • Using dump agents
    • Using Javadump
    • Using Heapdump
    • Using system dumps and the dump viewer
      • Overview of system dumps
      • System dump defaults
      • Using the dump viewer
    • Tracing Java applications
      • Controlling the trace
        • Specifying trace options
        • Using the Java API
      • Determining the tracepoint ID of a tracepoint
      • Application trace
        • Implementing application trace
          • Registering for trace
          • Tracepoints
          • Printf specifiers
          • Example HelloWorld with application trace
        • Using application trace at run time
    • Diagnosing class-loading issues
      • Class-loader command-line options
      • Class-loader runtime diagnostic data
      • Loading from native code
  • The Data Access Accelerator Library
  • Using the JVMTI
  • Using the Diagnostic Tool Framework for Java
  • Using JConsole
    • MBeans and MXBeans
  • The Java Native Interface (JNI)
    • Overview of JNI
    • The JNI and the Garbage Collector
      • Overview of JNI object references
      • JNI transitions
    • Copying and pinning
    • Handling exceptions
    • Synchronization
    • Debugging the JNI
    • JNI checklist
    • Writing JNI applications
      • Supported compilers
      • JNI compatibility
      • JNI runtime linking
      • Example of using shared libraries on z/OS
      • Using 31-bit native C or C++ code with the 64-bit Java VM
  • Notices
• OpenJ9 user documentation
  • Getting started
  • Version 0.59.0
  • Version 0.58.0
  • Version 0.57.0
  • Version 0.56.0
  • Version 0.55.0
  • Version 0.54.0
  • Version 0.53.0
  • Version 0.51.0
  • Version 0.49.0
  • Version 0.47.0
  • Version 0.46.0
  • Configuring your system
  • Heap allocation
    • The allocator
      • Allocation caches
    • Heap configuration
      • Area-based heaps
      • SOA and LOA
      • Region-based heaps
      • Arraylets
    • Heap sizing
      • Expansion and contraction
        • balanced GC policy
      • Compressed references
  • Garbage Collection (GC)
    • GC operations
      • GC mark operation
        • Concurrent mark processing
        • Incremental concurrent mark processing
      • GC sweep operation
        • Concurrent sweep processing
      • GC scavenge operation
      • GC copy forward operation
      • GC classunloading operation
      • GC compact operation
    • Weak reference processing
  • GC policies
    • Policy selection and tuning
    • gencon policy (default)
      • GC processing
      • Concurrent Scavenge
    • balanced policy
      • When to use
      • GC processing
    • optavgpause policy
      • When to use
      • GC processing
    • optthruput policy
      • When to use
      • GC processing
    • metronome policy
      • When to use
      • GC processing
    • nogc policy
      • When to use
    • Troubleshooting
  • Verbose GC logs
  • Log examples
  • JITServer technology
  • JITServer tuning
  • Introduction
    • Cache utilities
    • Enabling class data sharing
    • Class data sharing operations
      • AOT code and JIT data
    • Creating a shared classes cache
      • Creating layer caches
    • Saving a non-persistent shared classes cache
    • Housekeeping
    • Support for custom class loaders
      • The Java shared classes Helper API
      • The Java shared classes utility API
    • Support for bytecode instrumentation
      • Redefined and retransformed classes
      • Sharing modified bytecode
        • SharedClassHelper cache partitions
    • See also
  • Diagnosing problems
    • Initialization problems
    • Problems finding or storing classes
    • Generating verbose output
      • verbose
      • verboseIO
      • verboseAOT
      • verboseHelper
    • Diagnostic cache utilities
      • printStats
      • printAllStats
        • Class paths
        • ROMClasses
        • AOT methods
        • URLs and tokens
        • Zip entry caches
        • JIT data
        • Startup hints
      • printTopLayerStats
    • Using the trace facility
  • CRIU support
  • -Dorg.eclipse.openj9.criu.ImmutableEnvVars
  • -Xrs:onRestore / -Xrs:syncOnRestore
  • -Xshareclasses:disableOnRestore
  • -XX:CheckpointGCThreads
  • -XX:Compatibility
  • -XX:[+|-]CRIURestoreNonPortableMode
  • -XX:[+|-]CRIUSecProvider
  • -XX:[+|-]EnableCRIUSupport
  • -XX:[+|-]IgnoreUnrecognizedRestoreOptions
  • Java Attach API
  • Overview
  • Java dump
    • Java dump contents
      • TITLE
      • GPINFO
      • ENVINFO
      • NATIVEMEMINFO
      • MEMINFO
      • LOCKS
      • THREADS
      • HOOKS
      • SHARED CLASSES
      • CLASSES
    • Scenarios
      • General Protection Fault
      • Java OutOfMemoryError
      • Native OutOfMemoryError
      • Deadlock
      • Hang
  • Heap dump
    • Obtaining dumps
    • Analyzing dumps
      • Portable Heap Dump (PHD) format
        • General structure
        • Object records
        • Array records
        • Class records
      • Classic Heap Dump format
        • Header record
        • Object records
        • Class records
        • Trailer record 1
        • Trailer record 2
        • Java VM Type Signatures
    • See also
  • System dump
  • Dump extractor
  • Dump viewer
    • Syntax
      • Starting the dump viewer
      • Starting in batch mode
      • Processing output
        • Using CharsFrom
        • Using CharsTo
        • Using grep
        • Using tokens
    • Session parameters
      • !j9help
      • cd
      • cmdfile
      • deadlock
      • find
      • findnext
      • findptr
      • help
      • history
      • info thread
      • info system
      • info class
      • info proc
      • info jitm
      • info lock
      • info sym
      • info mmap
      • info mod
      • info heap
      • heapdump
      • hexdump
      • +
      • -
      • pwd
      • quit
      • set heapdump
      • set logging
      • show heapdump
      • show logging
      • whatis
      • x/ (examine)
      • x/J [|<0xaddr>]
      • x/D <0xaddr>
      • x/X <0xaddr>
      • x/K <0xaddr>
    • Example
  • Trace formatter
  • Option builder
  • Java command (jcmd) tool
  • Java memory map (jmap) tool
  • Java process status (jps)
  • Java stack (jstack) tool
  • Java statistics monitoring (jstat) tool
  • JVMTI
    • Overview
    • Eclipse OpenJ9 extensions
    • Sample JVMTI agent
      • Agent_OnLoad()
      • DumpStartCallback()
      • Using the sample JVMTI agent
    • API reference
      • GetOSThreadID
      • QueryVmDump
      • SetVmDump
      • TriggerVmDump
      • ResetVmDump
      • VMDumpStart
      • VMDumpEnd
      • SetVmTrace
      • RegisterTracePointSubscriber
        • jvmtiTraceSubscriber function
        • jvmtiTraceAlarm function
      • DeregisterTracePointSubscriber
      • GetMemoryCategories
      • QueryVmLogOptions
      • SetVmLogOptions
      • IterateSharedCaches
        • jvmtiIterateSharedCachesCallback function
        • jvmtiSharedCacheInfo structure
      • DestroySharedCache
      • RegisterVerboseGCSubscriber
        • jvmtiVerboseGCSubscriber function
        • jvmtiVerboseGCAlarm function
      • DeregisterVerboseGCSubscriber
  • DTFJ
  • Language Management
  • Specifying options
  • Standard options
  • Using System properties
  • -Dcom.ibm.enableClassCaching
  • -Dcom.ibm.gpu.disable
  • -Dcom.ibm.gpu.enable
  • -Dcom.ibm.gpu.verbose
  • -Dcom.ibm.lang.management.OperatingSystemMXBean.isCpuTime100ns
  • -Dcom.ibm.lang.management.verbose
  • -Dcom.ibm.oti.shared.SharedClassGlobalFilterClass
  • -Dcom.ibm.tools.attach.command_timeout
  • -Dcom.ibm.tools.attach.directory
  • -Dcom.ibm.tools.attach.displayName
  • -Dcom.ibm.tools.attach.enable
  • -Dcom.ibm.tools.attach.id
  • -Dcom.ibm.tools.attach.logging
  • -Dcom.ibm.tools.attach.log.name
  • -Dcom.ibm.tools.attach.retry
  • -Dcom.ibm.tools.attach.shutdown_timeout
  • -Dcom.ibm.tools.attach.timeout
  • -Dfile.encoding
  • -Djava.compiler
  • -Djava.lang.string.substring.nocopy
  • -Djava.security.propertiesList
  • Using -X options
  • -X
  • -Xaggressive
  • -Xalwaysclassgc
  • -Xaot / -Xnoaot
  • -Xargencoding
  • -Xbootclasspath
  • -XCEEHDLR
  • -Xcheck
  • -Xclassgc / -Xnoclassgc
  • -Xcodecache
  • -Xcodecachetotal
  • -Xcomp
  • -Xcompactexplicitgc / -Xnocompactexplicitgc
  • -Xcompactgc / -Xnocompactgc
  • -XcompilationThreads
  • -Xcompressedref / -Xnocompressedrefs
  • -Xconcurrentbackground
  • -Xconcurrentlevel
  • -Xconcurrentslack
  • -Xconmeter
  • -Xdisablejavadump
  • -Xdump
    • Xdump Option Builder
    • Syntax
    • Dump agents
      • Default dump agents
      • Dump agent tokens
      • Merging dump agents
    • Dump events
    • Parameters
      • help
      • none:
      • defaults
      • events=
      • exec=
      • file=
        • Writing to STDOUT/STDERR
        • Tokens
        • File location
      • filter=
        • Wildcards
        • Class loading and exception events
        • vmstop event
        • slow event
        • allocation event
        • Other events
      • msg_filter=
      • opts=
        • Heap dumps
        • z/OS system dumps
        • Tool dumps
      • priority=<0-999>
      • range=
      • request=
    • Dump output
      • System dumps on Linux
        • Piped system dumps
    • See also
  • -XdynamicHeapAdjustment
  • -Xenableexcessivegc / -Xdisableexcessivegc
  • -Xenableexplicitgc / -Xdisableexplicitgc
  • -Xenablestringconstantgc / -Xdisablestringconstantgc
  • -Xfastresolve
  • -Xfuture
  • -Xgc
  • -Xgc:splitheap
  • -Xgcmaxthreads
  • -Xgcpolicy
  • -Xgcthreads
  • -Xgcworkpackets
  • -Xint
  • -Xiss / -Xss / -Xssi
  • -Xjit / -Xnojit
  • -Xjni
  • -Xlinenumbers / -Xnolinenumbers
  • -Xloa[...] / -Xnoloa
  • -XlockReservation
  • -Xlockword
  • -Xlog
  • -Xlp
  • -Xlp:codecache
  • -Xlp:objectheap
  • -Xmaxe / -Xmine
  • -Xmaxf / -Xminf
  • -Xmaxt / -Xmint
  • -Xmca / -Xmco
  • -Xmcrs
  • -Xmn / -Xmns / -Xmnx
  • -Xmo / -Xmos / -Xmox
  • -Xmoi
  • -Xmr / -Xmrx
  • -Xms / -Xmx
  • -Xmso
  • -Xnuma:none
  • -Xoptionsfile
  • -Xquickstart
  • -Xrs
  • -Xrunjdwp
  • -XsamplingExpirationTime
  • -Xscdmx
  • -Xscmaxaot / -Xscminaot
  • -Xscmaxjitdata / -Xscminjitdata
  • -Xscmx
  • -Xshareclasses
    • Syntax
    • Parameters
      • adjustmaxaot (Cache utility)
      • adjustminaot (Cache utility)
      • adjustmaxjitdata (Cache utility)
      • adjustminjitdata (Cache utility)
      • adjustsoftmx (Cache utility)
      • allowClasspaths
      • bootClassesOnly
      • cacheDir
      • cacheDirPerm
      • cacheRetransformed
      • checkURLTimestamps
      • createLayer
      • destroy (Cache utility)
      • destroyAll (Cache utility)
      • destroyAllLayers (Cache utility)
      • destroyAllSnapshots (Cache utility)
      • destroySnapshot (Cache utility)
      • disableBCI
      • enableBCI
      • expire (Cache utility)
      • extraStartupHints
      • fatal
      • findAotMethods (Cache utility)
      • groupAccess
      • help
      • invalidateAotMethods (Cache utility)
      • layer
      • listAllCaches (Cache utility)
      • mprotect
      • modified
      • name
      • noaot
      • noBootclasspath
      • noTimestampChecks
      • nocheckURLTimestamps
      • nojitdata
      • none
      • nonfatal
      • nonpersistent
      • noPersistentDiskSpaceCheck
      • persistent
      • printAllStats (Cache utility)
      • printDetails (Cache utility)
      • printStats (Cache utility)
      • printTopLayerStats (Cache utility)
      • readonly
      • reset
      • restoreFromSnapshot (Cache utility)
      • restrictClasspaths
      • revalidateAotMethods (Cache utility)
      • silent
      • snapshotCache (Cache utility)
      • utilities
      • verbose
      • verboseAOT
      • verboseHelper
      • verboseIO
    • Method specification syntax
  • -Xsigcatch / -Xnosigcatch
  • -Xsigchain / -Xnosigchain
  • -Xsignal
  • -Xsoftmx
  • -Xsoftrefthreshold
  • -Xsyslog
  • -Xtgc
  • -Xthr
  • -XtlhPrefetch
  • -Xtrace
    • Xtrace Option Builder
    • Syntax
      • Configuring trace
      • Controlling tracepoint activation
    • About trace
    • Default tracing
      • Default memory management tracing
      • Default assertion tracing
    • Tracepoint activation
      • Tracepoint specification
      • Trace levels
    • Parameters
      • buffers
      • count (tracepoint)
      • exception (tracepoint)
      • exception.output
      • external (tracepoint)
      • help
      • iprint (tracepoint)
      • maximal (tracepoint)
      • maxstringlength
        • Examples
      • methods
      • minimal (tracepoint)
      • none (tracepoint)
      • output
      • print (tracepoint)
      • properties
      • resume
      • resumecount
      • sleeptime
      • stackdepth
      • suspend
      • suspendcount
      • trigger
        • Types
        • Actions
      • what
    • See also
  • -Xtune:virtualized
  • -Xverbosegclog
  • -Xverify
  • -Xzero
  • Using -XX options
  • -XX:[+|-]AdaptiveGCThreading
  • -XXallowvmshutdown
  • -XX:[+|-]ClassRelationshipVerifier
  • -XX:ConcGCThreads
  • -XX:codecachetotal
  • -XX:codecachetotalMaxRAMPercentage
  • -XX:[+|-]CompactStrings
  • -XX:ContinuationCache
  • -XX:[+|-]CpuLoadCompatibility
  • -XX:[+|-]DisableExplicitGC
  • -XX:[+|-]DisclaimJitScratch
  • -XX:[+|-]Enable3164Interoperability
  • -XX:[+|-]EnableCPUMonitor
  • -XX:[+|-]EnableDynamicAgentLoading
  • -XX:[+|-]EnableExtendedHCR
  • -XX:[+|-]EnsureHashed
  • -XX:[+|-]ExitOnOutOfMemoryError
  • -XX:[+|-]FlightRecorder
  • -XX:[+|-]GlobalLockReservation
  • -XX:[+|-]HandleSIGABRT
  • -XX:[+|-]HandleSIGUSR2
  • -XX:[+|-]HandleSIGXFSZ
  • -XX:[+|-]HeapDumpOnOutOfMemoryError
  • -XX:HeapDumpPath
  • -XX:[+|-]HeapManagementMXBeanCompatibility
  • -XX:[+|-]IdleTuningCompactOnIdle
  • -XX:[+|-]IdleTuningGcOnIdle
  • -XX:IdleTuningMinFreeHeapOnIdle
  • -XX:IdleTuningMinIdleWaitTime
  • -XX:[+|-]IgnoreUnrecognizedVMOptions
  • -XX:[+|-]IgnoreUnrecognizedXXColonOptions
  • -XX:InitialRAMPercentage / -XX:MaxRAMPercentage
  • -XX:InitialHeapSize / -XX:MaxHeapSize
  • -XX:[+|-]InterleaveMemory
  • -XX:[+|-]IProfileDuringStartupPhase
  • -XX:[+|-]JITInlineWatches
  • -XX:JITServerAddress
  • -XX:JITServerAOTCacheDir
  • -XX:[+|-]JITServerAOTCacheIgnoreLocalSCC
  • -XX:JITServerAOTCacheName
  • -XX:[+|-]JITServerAOTCachePersistence
  • -XX:JITServerAOTmx
  • -XX:[+|-]JITServerLocalSyncCompiles
  • -XX:[+|-]JITServerLogConnections
  • -XX:JITServerMetrics
  • -XX:JITServerMetricsPort
  • -XX:JITServerMetricsSSL[...]
  • -XX:JITServerPort
  • -XX:JITServerShareROMClasses
  • -XX:JITServerSSL[...]
  • -XX:JITServerTimeout
  • -XX:[+|-]JITServerUseAOTCache
  • -XX:[+|-]LazySymbolResolution
  • -XX:[+|-]LegacyXLogOption
  • -XX:MaxDirectMemorySize
  • -XX:[+|-]MergeCompilerOptions
  • -XX:OnOutOfMemoryError
  • -XX:[+|-]OpenJ9CommandLineEnv
  • -XXnosuballoc32bitmem
  • -XX:[+|-]PageAlignDirectMemory
  • -XX:ParallelCMSThreads
  • -XX:ParallelGCMaxThreads
  • -XX:ParallelGCThreads
  • -XX:[+|-]PerfTool
  • -XX:[+|-]PortableSharedCache
  • -XX:[+|-]PositiveIdentityHash
  • -XX:[+|-]PrintCodeCache
  • -XX:[+|-]PrintFlagsFinal
  • -XX:[+|-]ReadIPInfoForRAS
  • -XX:[+|-]ReduceCPUMonitorOverhead
  • -XX:[+|-]RequireJITServer
  • -XX:[+|-]RuntimeInstrumentation
  • -XXsetHWPrefetch
  • -XX:[+|-]ShareAnonymousClasses
  • -XX:ShareClassesEnableBCI / -XX:ShareClassesDisableBCI
  • -XX:SharedCacheHardLimit
  • -XX:[+|-]ShareOrphans
  • -XX:[+|-]ShareUnsafeClasses
  • -XX:[+|-]ShowCarrierFrames
  • -XX:[+|-]ShowCodeDetailsInExceptionMessages
  • -XX:[+|-]ShowHiddenFrames
  • -XX:[+|-]ShowNativeStackSymbols
  • -XX:[+|-]ShowUnmountedThreadStacks
  • -XX:-StackTraceInThrowable
  • -XX:StartFlightRecording
  • -XX:[+|-]TransparentHugePage
  • -XX:[+|-]UseCompressedOops
  • -XX:[+|-]UseContainerSupport
  • -XX:[+|-]UseDebugLocalMap
  • -XX:[+|-]UseGCStartupHints
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    • ZUtil
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    • Registration
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    • DSAParameters
    • DSAPrivateHWKey
    • DSAPrivateHWKeySpec
    • ECDHKeyAgreement
    • ECHWKeyAttributes
    • ECHWKeyParameterSpec
    • ECKeyFactory
    • ECKeyPairGenerator
    • ECParameterGenerator
    • ECParameters
    • ECPrivateHWKey
    • ECPrivateHWKeySpec
    • ECPublicKey
    • FacadeSHA224MessageDigest
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    • MLKEM.MLKEM768
    • Provider
    • HMACKey
    • HmacMD2
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    • HmacMD5KeyGenerator
    • HmacSHA1
    • HMACSHA1KeyFactory
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    • HmacSHA224
    • HMACSHA224KeyFactory
    • HmacSHA224KeyGenerator
    • HmacSHA256
    • HMACSHA256KeyFactory
    • HmacSHA256KeyGenerator
    • HmacSHA384
    • HMACSHA384KeyFactory
    • HmacSHA384KeyGenerator
    • HmacSHA512
    • HMACSHA512KeyFactory
    • HmacSHA512KeyGenerator
    • HwKeyToolResources
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    • HwKeyToolResources_tr
    • HwKeyToolResources_zh
    • HwKeyToolResources_zh_CN
    • HwKeyToolResources_zh_TW
    • IBMJCA4758
    • IBMJCE4758
    • IBMJCECCA
    • IBMJCECCACleaner
    • Jca4758KeyStore
    • Jce4758KeyStore
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    • JCECCARuntimeException
    • JceRACFKeyStore
    • KDFParameterSpec
    • KeyHWAttributes
    • KeyHWAttributeValues
    • KeyLabelKeySpec
    • KeyPairUtils
    • KeyPairUtils.KeyPairAlgorithm
    • KyberCipher
    • KyberDerivationInput
    • KyberKeyAgreement
    • KyberKeyAttributes
    • KyberKeyFactory
    • KyberKeyPairGenerator
    • KyberKeyParameterSpec
    • KyberPrivateKey
    • KyberPrivateKeySpec
    • KyberPublicKey
    • KyberPublicKeySpec
    • KeyTool
    • LabelUtils
    • MD2
    • MD2withRSA
    • MD5
    • MD5withRSA
    • MLDSAKeyAttributes
    • MLDSAKeyFactory
    • MLDSAKeyPairGenerator
    • MLDSAKeyParameterSpec
    • MLDSAPrivateKey
    • MLDSAPrivateKeySpec
    • MLDSAPublicKey
    • MLDSAPublicKeySpec
    • MLDSASignature
    • MLKEMDerivationInput
    • MLKEMKeyAgreement
    • MLKEMKeyAttributes
    • MLKEMKeyFactory
    • MLKEMKeyPairGenerator
    • MLKEMKeyParameterSpec
    • MLKEMPrivateKey
    • MLKEMPrivateKeySpec
    • MLKEMPublicKey
    • MLKEMPublicKeySpec
    • OAEPParameters
    • Padding
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    • PBEWithMD5AndDESCipher
    • PBEWithMD5AndTripleDESCipher
    • PBEWithSHA1AndDESCipher
    • PBEWithSHA1AndTripleDESCipher
    • PBEWithSHAAnd2KeyTripleDESCipher
    • PBEWithSHAAnd3KeyTripleDESCipher
    • PBM
    • PBMParameters
    • PBMParameterSpec
    • PKCS5DerivedKeyFactory
    • PKCS5DerivedKeySpec
    • PKCS5KeyFactory
    • PKCS5KeySpec
    • PSSParameters
    • RACFInputStream
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    • RSA
    • RSAKeyFactory
    • RSAKeyFactory.PSS
    • RSAKeyHWAttributes
    • RSAKeyPairGenerator
    • RSAKeyPairGenerator.PSS
    • RSAKeyParameterSpec
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    • SHA
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    • SHA5
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    • SHA5withRSA
    • SymmetricKeyConstants
    • SymmetricKeyConstants.KeyType
    • SymmetricKeyConstants.KeyUsage
    • SymmetricKeyUtils
    • TDCNP
    • TR31KeyBlock
    • TR31OptionalDataBlock
    • WrapperKey
    • X509Factory
  • IBMZSecurity
    • IBMZSecurity
    • IBMZSecurityService
    • IBMZSecurityCleaner
    • JceRACFKeyStore
    • PBEParameters
    • PKCS5KeySpec
    • RACFInputStream
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    • Handler
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    • Main
    • Resources
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  • ZERTJSSE
    • Role
    • ZERTDefaultSSLContextImpl
    • ZERTJSSE
    • ZERTSSLContextImplSSL
    • ZERTSSLContextImplSSL_TLS
    • ZERTSSLContextImplSSL_TLSv2
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    • ZERTSSLContextImplTLSv10
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    • ZERTSSLContextImplTLSv13
  • System Authorization Facility (SAF)
    • PlatformAccessControl
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    • PlatformThread
    • PlatformUser