Jdk 8 High Sierra

Jdk 8 High Sierra Free
Jdk 8 High Sierra Update

While reading Understanding the JVM – Advanced Features and Best Practices, Second Edition (in Chinese) recently, there is a guide in chapter one to build JVM from source. It is based on OpenJDK7, which only works when using a Java6/Java7 VM as build bootstrap. Java8 bootstrap has more strict code checks and will finally fail the build. So, I just switched to a more recent OpenJDK8 code. The file name is openjdk-8u40-src-b25-10_feb_2015.zip.

The code provides a better build experience, and compiles on my Linux box almost out of box. But remember, do not use a gcc compiler >= gcc-6. It defaults to C++14 and breaks the build. On macOS, the build scripts seem only support gcc. Actually, a clang compiler is required to build the objc code.

We have been using Tomcat (v7) on OS X for quite some time now and never experienced any problems. However, after updating the OS to High Sierra, the web applications do not work anymore when compr. IBM Notes 9.0.1, MacOS High Sierra, and Java 8. After I wrote my Jan 24 post about running Notes on MacOS in Basic Mode, IBM released Notes 9.0.1 for MacOS Interim Fix 13. IF13 provides a fix for the problem I described in that post, which was that upgrading Java on the Mac to a version higher (more recent) than Java 8 Update 151 caused.

1. So the first step after downloading and unzipping the code, modify the configure script:

<h2 id='jdk-8-high-sierra-free'>Jdk 8 High Sierra Free</h2><table><tbody><tr><td><div>2</div></td><td><div># vi common/autoconf/generated-configure.sh</div></td></tr></tbody></table><p>Comment out the lines(2 appearances):</p><div><textarea wrap='soft' readonly='>as_fn_error $? 'GCC compiler is required. Try setting --with-tools-dir.' '$LINENO' 5

as_fn_error $? 'GCC compiler is required. Try setting --with-tools-dir.' '$LINENO' 5

2. Now install freetype and run configure:

Jdk 8 High Sierra Update</h2><p>A <code>slowdebug</code> build disables optimization and helps a lot when debugging. The summary output looks like:</p><div><textarea wrap='soft' readonly='>Configuration summary: * Debug level: slowdebug * JDK variant: normal * JVM variants: server * OpenJDK target: OS: macosx, CPU architecture: x86, address length: 64 Tools summary: * Boot JDK: java version '1.8.0_152' Java(TM) SE Runtime Environment (build 1.8.0_152-b16) Java HotSpot(TM) 64-Bit Server VM (build 25.152-b16, mixed mode) (at /Library/Java/JavaVirtualMachines/jdk1.8.0_152.jdk/Contents/Home) * C Compiler: version (at /usr/bin/gcc) * C++ Compiler: version (at /usr/bin/g++) Build performance summary: * Cores to use: 2 * Memory limit: 16384 MB * ccache status: not installed (consider installing)

* Debug level: slowdebug

* JVM variants: server

* OpenJDK target: OS: macosx, CPU architecture: x86, address length: 64

Tools summary:

* Boot JDK: java version '1.8.0_152' Java(TM) SE Runtime Environment (build 1.8.0_152-b16) Java HotSpot(TM) 64-Bit Server VM (build 25.152-b16, mixed mode) (at /Library/Java/JavaVirtualMachines/jdk1.8.0_152.jdk/Contents/Home)

* C++ Compiler: version (at /usr/bin/g++)

Build performance summary:

* Memory limit: 16384 MB

* ccache status: not installed (consider installing)

3. Apply the following patch to fix build errors. Partially picked from an official OpenJDK10 changeset:

</div><table><tbody><tr><td><div><div>2</div><div>4</div><div>6</div><div>8</div><div>10</div><div>12</div><div>14</div><div>16</div><div>18</div><div>20</div><div>22</div><div>24</div><div>26</div><div>28</div><div>30</div><div>32</div><div>34</div><div>36</div><div>38</div><div>40</div><div>42</div><div>44</div><div>46</div><div>48</div></div></td><td><div><div>diff-ruopenjdk.old/hotspot/src/share/vm/opto/lcm.cppopenjdk/hotspot/src/share/vm/opto/lcm.cpp</div><div><span>--- openjdk.old/hotspot/src/share/vm/opto/lcm.cpp 2017-12-01 13:24:42.000000000 +0800</span></div><div><span>+++ openjdk/hotspot/src/share/vm/opto/lcm.cpp 2017-12-01 13:25:35.000000000 +0800</span></div><div><span> // Check whether val is not-null-decoded compressed oop,</span></div><div><span> // i.e. will grab into the base of the heap if it represents NULL.</span></div><div><span>- if (Universe::narrow_oop_base() > 0) { // Implies UseCompressedOops.</span></div><div><span>+ if (Universe::narrow_oop_base() != 0) { // Implies UseCompressedOops.</span></div><div><span> if (val->as_Mach()->ideal_Opcode() Op_DecodeN) {</span></div><div><span> // This assumes all Decodes with TypePtr::NotNull are matched to nodes that</span></div><div>diff-ruopenjdk.old/hotspot/src/share/vm/opto/loopPredicate.cppopenjdk/hotspot/src/share/vm/opto/loopPredicate.cpp</div><div><span>--- openjdk.old/hotspot/src/share/vm/opto/loopPredicate.cpp 2017-12-01 13:24:42.000000000 +0800</span></div><div><span>+++ openjdk/hotspot/src/share/vm/opto/loopPredicate.cpp 2017-12-01 13:26:08.000000000 +0800</span></div><div><span> Node* idx = cmp->in(1);</span></div><div><span> assert(!invar.is_invariant(idx), 'index is variant');</span></div><div><span>- assert(rng->Opcode() Op_LoadRange || _igvn.type(rng)->is_int() >= 0, 'must be');</span></div><div><span>+ assert(rng->Opcode() Op_LoadRange || _igvn.type(rng)->is_int()->_lo >= 0, 'must be');</span></div><div><span> assert(invar.is_invariant(rng), 'range must be invariant');</span></div><div><span> Node* offset = zero;</span></div><div>diff-ruopenjdk.old/hotspot/src/share/vm/runtime/virtualspace.cppopenjdk/hotspot/src/share/vm/runtime/virtualspace.cpp</div><div><span>--- openjdk.old/hotspot/src/share/vm/runtime/virtualspace.cpp 2017-12-01 13:24:42.000000000 +0800</span></div><div><span>+++ openjdk/hotspot/src/share/vm/runtime/virtualspace.cpp 2017-12-01 13:26:41.000000000 +0800</span></div><div><span> (UseCompressedOops && (Universe::narrow_oop_base() != NULL) &&</span></div><div><span> Universe::narrow_oop_use_implicit_null_checks()) ?</span></div><div><span>- if (base() > 0) {</span></div><div><span> MemTracker::record_virtual_memory_type((address)base(), mtJavaHeap);</span></div><div>diff-ruopenjdk.old/jdk/src/macosx/native/sun/osxapp/ThreadUtilities.mopenjdk/jdk/src/macosx/native/sun/osxapp/ThreadUtilities.m</div><div><span>--- openjdk.old/jdk/src/macosx/native/sun/osxapp/ThreadUtilities.m 2017-12-01 13:24:33.000000000 +0800</span></div><div><span>+++ openjdk/jdk/src/macosx/native/sun/osxapp/ThreadUtilities.m 2017-12-01 13:28:37.000000000 +0800</span></div><div><span> static jobject appkitThreadGroup = NULL;</span></div><div><span>+static inline void attachCurrentThread(void** env) {</span></div><div><span> JavaVMAttachArgs args;</span></div></div></td></tr></tbody></table><p>4. Start the build:</p><div><textarea wrap='soft' readonly='># export USE_CLANG=true # export COMPILER_WARNINGS_FATAL=false # export LFLAGS='-Xlinker -lstdc++' # make

2 4	# export COMPILER_WARNINGS_FATAL=false # make

Lots of warnings, but the build should finish successfully:

</div><table><tbody><tr><td><div>2</div></td><td><div><div>OpenJDK Runtime Environment (build 1.8.0_u01-special-debug-b01)</div><div>OpenJDK 64-Bit Server VM (build 25.40-b25-debug, mixed mode)</div></div></td></tr></tbody></table><p>Never used <code>lldb</code> before, seems to be compatible with <code>gdb</code>:</p><div><textarea wrap='soft' readonly='># lldb ./java (lldb) target create './java' Current executable set to './java' (x86_64). (lldb) b main Breakpoint 1: 21 locations. (lldb) run -version Process 67998 launched: './java' (x86_64) Process 67998 stopped * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1 frame #0: 0x000000010000d5b2 java`main(argc=2, argv=0x00007ffeefbff9c8) at main.c:97 94 { 95 int margc; 96 char** margv; -> 97 const jboolean const_javaw = JNI_FALSE; 98 #endif /* JAVAW */ 99 #ifdef _WIN32 100 { Target 0: (java) stopped. (lldb) p argv[1] (char *) $0 = 0x00007ffeefbffb27 '-version' (lldb)

(lldb) target create './java'

(lldb) b main

(lldb) run -version

Process 67998 stopped

* thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1

frame #0: 0x000000010000d5b2 java`main(argc=2, argv=0x00007ffeefbff9c8) at main.c:97

95 int margc;

-> 97 const jboolean const_javaw = JNI_FALSE;

99 #ifdef _WIN32

Target 0: (java) stopped.

(char *) $0 = 0x00007ffeefbffb27 '-version'