{"id":5719,"date":"2026-05-14T18:55:38","date_gmt":"2026-05-14T10:55:38","guid":{"rendered":"https:\/\/www.xttblog.com\/?p=5719"},"modified":"2026-05-14T18:55:38","modified_gmt":"2026-05-14T10:55:38","slug":"jdk-25-%e7%9a%84-g1gc-%e5%ad%98%e5%9c%a8%e9%9d%99%e9%bb%98%e6%95%b0%e6%8d%ae%e6%8d%9f%e5%9d%8f-bug%ef%bc%8c%e6%90%ba%e7%a8%8b%e8%b8%a9%e5%9d%91","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=5719","title":{"rendered":"JDK 25 \u7684 G1GC \u5b58\u5728\u9759\u9ed8\u6570\u636e\u635f\u574f Bug\uff0c\u643a\u7a0b\u8e29\u5751"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u524d\u4e0d\u4e45\uff0c\u6211\u5199\u4e86 JDK 25.0.3 \u7684\u65b0\u7248\u672c\u53d1\u5e03\u6587\u7ae0\uff0c\u4e0d\u5c11\u4eba\u8868\u793a JDK 25 \u76ee\u524d\u7528\u7684\u8fd8\u5c11\uff0c\u66f4\u6709\u7f51\u53cb\u8868\u793a\u8fd8\u5728\u4f7f\u7528 Java 8\u3002\u4e00\u8fb9\u662f\u4e3a\u4e86\u7a33\u5b9a\u6027\uff0c\u80fd\u4e0d\u5347\u7ea7\u5c31\u4e0d\u5347\u7ea7\uff1b\u53e6\u4e00\u8fb9\u662f\u8feb\u4e0d\u53ca\u5f85\uff0c\u80fd\u5347\u7ea7\u5219\u5347\u7ea7\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5c1d\u9c9c\u7684\u4eba\u786e\u5b9e\u5c11\uff0c\u4f46\u6211\u4eca\u5929\u770b\u5230\u4e86\u4e00\u7bc7\u6587\u7ae0\uff0c\u8bf4\u643a\u7a0b\u5df2\u7ecf\u8e29\u4e86 JDK 25 \u7684\u5751\u4e86\u3002\u800c\u4e14\u8fd9\u4e2a\u5751\uff0cJDK 25 \u524d 3 \u4e2a\u5927\u7248\u672c\u5168\u519b\u8986\u6ca1\uff0c25.0.0\u300125.0.1\u300125.0.2 \u5747\u5b58\u5728 G1GC \u9759\u9ed8\u6570\u636e\u635f\u574f Bug\u3002\u8fd9\u4e2a Bug \u8ba9\u643a\u7a0b\u5728 Parquet \u6587\u4ef6\u5728\u5199\u5165\u65f6\u5c31\u5df2\u7ecf\u201c\u70c2\u6389\u201d\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u672c\u4ee5\u4e3a\uff0c\u8fd9\u4e2a bug \u53ea\u6709\u643a\u7a0b\u9047\u5230\u4e86\uff0c\u8c01\u77e5\u67e5\u4e86\u4e00\u4e9b\u793e\u533a\u8d44\u6599\uff0c\u53d1\u73b0\u4e5f\u6709\u4e0d\u5c11\u8001\u5916\u4f01\u4e1a\u9047\u5230\u4e86\u3002\u5b83\u80fd\u8ba9\u5927\u5bb6\u7684\u7684\u6570\u636e\uff0c\u53ef\u80fd\u5728\u5199\u5165\u90a3\u4e00\u523b\u5c31\u5df2\u7ecf\u201c\u6b7b\u4e86\u201d\uff08\u4e0d\u6b63\u786e\u4e86\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5176\u5b9e\uff0c\u65e9\u5728 4 \u6708\u4efd\uff0cJDK 25.0.3 \u5c31\u53d1\u5e03\u4e86\u3002\u4f46\u5728\u8fd9\u4e4b\u524d\uff0c\u4e0d\u5c11\u5c1d\u9c9c\u7684\u5934\u90e8\u4f01\u4e1a\u8e29\u4e86\u5751\uff0c\u643a\u7a0b\u5c31\u662f\u5176\u4e2d\u4e4b\u4e00\u3002\u7531\u6b64\uff0c\u5b83\u4eec\u89e6\u53d1\u4e86 bug\uff0c\u63ed\u5f00\u4e86\u4e00\u4e2a\u8ba9\u5168 Java \u793e\u533a\u5012\u5438\u4e00\u53e3\u51c9\u6c14\u7684\u771f\u76f8\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>G1 \u5783\u573e\u56de\u6536\u5668\uff0c\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\u4f1a\u201c\u5077\u8d70\u201d\u4f60\u7684\u5bf9\u8c61\uff0c\u800c\u4f60\u7684\u7a0b\u5e8f\u5bf9\u6b64\u4e00\u65e0\u6240\u77e5\u3002<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cJDK 25 \u9ed8\u8ba4 GC \u5c31\u662f G1\u3002\u5e76\u4e14\uff0c\u6b64 bug \u7684\u5f71\u54cd\u8303\u56f4\u662f JDK 25.0.0\u300125.0.1\u300125.0.2 \u8fd9 3 \u4e2a\u5df2\u53d1\u5e03\u7684\u7248\u672c\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6545\u969c\u95ee\u9898\u8fd8\u5f88\u80fd\u590d\u73b0\uff0c\u6ca1\u6709 OOM\uff0c\u6ca1\u6709 crash\uff0c\u6ca1\u6709\u5f02\u5e38\u3002\u643a\u7a0b\u7684 Spark \u4efb\u52a1\u6b63\u5e38\u8dd1\u5b8c\uff0cParquet \u6587\u4ef6\u987a\u5229\u843d\u76d8\uff0cCRC \u6821\u9a8c\u5168\u90e8\u901a\u8fc7\u3002\u76f4\u5230\u4e0b\u6e38\u4f5c\u4e1a\u8bfb\u53d6\u65f6\uff0cZstd \u89e3\u538b\u62a5\u51fa <code>Corrupted block detected<\/code>\uff0c\u6570\u636e\u5df2\u7ecf\u4e0d\u53ef\u6062\u590d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e0d\u662f\u538b\u7f29\u5e93\u7684 bug\uff0c\u4e0d\u662f\u5b58\u50a8\u4ecb\u8d28\u7684\u6545\u969c\uff0c\u751a\u81f3\u4e0d\u662f\u643a\u7a0b\u4e1a\u52a1\u4ee3\u7801\u7684\u95ee\u9898\u3002<code>\u8fd9\u662f JDK 25 G1GC \u7684\u4e00\u4e2a\u5e95\u5c42\u7f3a\u9677\uff0c\u9759\u9ed8\u5730\u3001\u968f\u673a\u5730\u3001\u4e0d\u53ef\u9006\u5730\u635f\u574f\u4f60\u7684\u6570\u636e<\/code>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u672c\u610f\u662f\u767d\u5ad6 JEP 519<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u6545\u4e8b\u80cc\u666f\uff0c\u542c\u4e00\u542c\u5c31\u5f88\u6709\u753b\u9762\u611f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0b\u6e38\u7cfb\u7edf\u8bfb\u53d6\u6587\u4ef6\u5f02\u5e38\u4e86\uff0c\u68c0\u67e5\u4e86\u534a\u5929\uff0c\u4e0d\u77e5\u9053\u662f\u54ea\u91cc\u7684\u95ee\u9898\u3002\u597d\u4e0d\u5bb9\u6613\u6392\u67e5\u51fa\u6765\u662f\u4e0a\u6e38\u7ed9\u7684\u6587\u4ef6\u51fa\u95ee\u9898\u4e86\uff0c\u800c\u4e0a\u6e38\u4ed4\u7ec6\u67e5\u770b\u4e86\u76f8\u5173\u4ee3\u7801\uff0c\u770b\u4e0d\u51fa\u4efb\u4f55\u6bdb\u75c5\u3002\u7136\u540e\u7cfb\u7edf\u4e5f\u6ca1\u6709 OOM\uff0c\u65e5\u5fd7\u4e5f\u6b63\u5e38\uff0c\u603b\u4e4b\u5c31\u662f\u51fa\u9b3c\u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5c31\u662f\u4e3a\u4e86\u201c\u767d\u5ad6\u201d JEP 519 \u7684\u6027\u80fd\uff0c\u643a\u7a0b\u8e29\u8fdb\u4e86\u5751\u3002\u6b64\u65f6\u6b64\u523b\uff0c\u6211\u60f3\u8d77\u4e86\u90a3\u5565\uff0c\u53ef\u4e0d\u5c31\u662f<code>\u4e3a\u4e86\u8fd9\u74f6\u918b\u5305\u4e86\u8fd9\u987f\u997a\u5b50<\/code>\u561b\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8b\u6545\u6216\u4e8b\u60c5\u8981\u8bb2\u60c5\u51b5\uff0c\u8fd8\u5f97\u4ece JDK 25 \u7684 JEP 519 Compact Object Headers\uff08\u7d27\u51d1\u5bf9\u8c61\u5934\uff09\u8bf4\u8d77\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u7279\u6027\u582a\u79f0 Java 25 \u6700\u8bf1\u4eba\u7684\u201c\u6027\u80fd\u767d\u5ad6\u201d\uff0c\u53ea\u9700\u52a0\u4e00\u4e2a JVM \u53c2\u6570\u5373\u53ef\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-XX:+UseCompactObjectHeaders<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6709\u4e86\u8fd9\u4e2a\u53c2\u6570\u5c31\u80fd\u5b9e\u73b0\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5806\u5185\u5b58\u8282\u7701\u6700\u9ad8 <code>22%<\/code><\/li><li>GC \u9891\u7387\u964d\u4f4e\u7ea6 <code>15%<\/code><\/li><li>Amazon \u751f\u4ea7\u73af\u5883\u5b9e\u6d4b CPU \u964d\u4f4e <code>30%<\/code><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u77e5\u9053\uff0c\u643a\u7a0b\u5927\u6570\u636e\u5e73\u53f0\u8fd0\u884c\u7740\u5927\u89c4\u6a21\u7684 Spark\u3001Flink \u8ba1\u7b97\u96c6\u7fa4\uff0c\u4e3a\u4e86\u5145\u5206\u5229\u7528 JDK 25 LTS \u5728\u5185\u5b58\u6548\u7387\u4e0e\u8fd0\u884c\u6027\u80fd\u4e0a\u7684\u4f18\u52bf\uff0c\u56e2\u961f\u542f\u52a8\u4e86\u5347\u7ea7\u8ba1\u5212\uff0c\u5b8c\u6210\u4e86\u591a\u4e2a\u5f15\u64ce\u5bf9 JDK 25 \u7684\u9002\u914d\u6539\u9020\uff0c\u5f00\u59cb\u5411\u751f\u4ea7\u73af\u5883\u7070\u5ea6\u63a8\u8fdb\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9<code>\u521d\u8877\u662f\u597d\u7684\uff0c\u5751\u4e5f\u662f\u771f\u7684\u6df1<\/code>\u3002\u672c\u60f3\u8282\u7701\u4e0d\u5c11\u6210\u672c\u5462\uff0c\u7ed3\u679c\u8bf4\u591a\u4e86\u90fd\u662f\u6cea\u5440\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u7ae0\u914d\u56fe\u53c2\u89c1 <a href=\"https:\/\/mp.weixin.qq.com\/s\/Y8sFQgANEz-W8DDZcwGdgQ\">https:\/\/mp.weixin.qq.com\/s\/Y8sFQgANEz-W8DDZcwGdgQ<\/a>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8be1\u5f02\u7684\u73b0\u8c61<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u643a\u7a0b\u5728\u7070\u5ea6\u63a8\u8fdb\u9636\u6bb5\uff0c\u6709\u7a0b\u5e8f\u5458\u53cd\u9988\u51fa\u73b0\u5f02\u5e38\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>\u5b9e\u65f6\u4efb\u52a1<\/code>\uff1aFlink \u5199\u5165 Paimon \u7684 Parquet \u6587\u4ef6\uff0c\u90e8\u5206\u8bfb\u53d6\u5931\u8d25<\/li><li><code>\u79bb\u7ebf\u4efb\u52a1<\/code>\uff1aSpark \u5199\u5165\u7684 ORC\u3001Parquet \u6587\u4ef6\uff0c\u4e5f\u5b58\u5728\u90e8\u5206\u8bfb\u53d6\u5931\u8d25<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6838\u5fc3\u62a5\u9519\u96c6\u4e2d\u4e3a Zstd \u89e3\u538b\u76f8\u5173\u5f02\u5e38\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Caused by: com.github.luben.zstd.ZstdException: Src size is incorrect\n\nCaused by: java.io.IOException: Decompression error: Destination buffer is too small\n\nCaused by: java.io.IOException: Decompression error: Corrupted block detected<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u8be1\u5f02\u7684\u662f\uff0c<code>\u5199\u5165\u6d41\u7a0b\u5b8c\u5168\u6b63\u5e38\uff0c\u6ca1\u6709\u4efb\u4f55\u62a5\u9519\u3002CRC \u6821\u9a8c\u4e5f\u5168\u90e8\u901a\u8fc7<\/code>\u3002\u635f\u574f\u53ea\u5728\u4e0b\u6e38\u8bfb\u53d6\u65f6\u624d\u66b4\u9732\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u610f\u5473\u7740\u4ec0\u4e48\u5462\uff1f\u610f\u5473\u7740<code>\u6570\u636e\u5728\u5199\u5165\u7684\u90a3\u4e00\u523b\u5c31\u5df2\u7ecf\u201c\u70c2\u201d\u4e86\u6216\u574f\u4e86\uff0c\u4f46\u6ca1\u6709\u4efb\u4f55\u4eba\u77e5\u9053<\/code>\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6392\u67e5\u4e4b\u8def<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u51fa\u73b0\u95ee\u9898\u540e\uff0c\u643a\u7a0b\u56e2\u961f\u5c55\u5f00\u4e86\u7cfb\u7edf\u6027\u7684\u6392\u67e5\uff0c\u4ece\u6000\u7591\u4e00\u5207\uff0c\u5230\u9501\u5b9a JDK \u672c\u8eab\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6392\u9664\u5b58\u50a8\u4ecb\u8d28<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Parquet \u9ed8\u8ba4\u5f00\u542f <code>parquet.page.write-checksum.enabled=true<\/code>\uff0c\u538b\u7f29\u540e\u7684\u6570\u636e\u901a\u8fc7 CRC32 \u8ba1\u7b97\u6821\u9a8c\u503c\u3002\u5f00\u542f\u8bfb\u53d6\u6821\u9a8c\u540e\u6267\u884c\u6821\u9a8c\uff0c<code>\u7ed3\u679c\u65e0\u62a5\u9519<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u8bf4\u660e\uff1a\u538b\u7f29\u540e\u5199\u5165\u6587\u4ef6\u7684\u5b57\u8282\u6d41\u4e0e\u8bfb\u53d6\u65f6\u4e00\u81f4\uff0c<code>\u6392\u9664 HDFS \u7b49\u5b58\u50a8\u4ecb\u8d28\u5bfc\u81f4\u7684\u6570\u636e\u635f\u574f<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b2c\u4e00\u6b65\uff0c\u5b83\u4eec\u90fd\u6ca1\u60f3\u8d77\u662f\u6700\u8fd1\u7070\u5ea6\u7684 JDK \u6709\u95ee\u9898\uff0c\u5927\u5bb6\u5148\u76f8\u4fe1\u7684\u8fd8\u662f JAVA\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6392\u9664\u538b\u7f29\u5e93<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7d27\u63a5\u7740\uff0c\u4ed6\u4eec\u53d1\u73b0 ORC 2.0+ \u7684 Zstd \u538b\u7f29\u652f\u6301\u4e24\u79cd\u5b9e\u73b0\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>airlift aircompressor \u7684<code>\u7eaf Java \u5b9e\u73b0<\/code><\/li><li>zstd-jni \u7684 <code>C \u4ee3\u7801\u5b9e\u73b0<\/code>\uff08\u9ed8\u8ba4\uff0c\u6027\u80fd\u66f4\u4f18\uff09<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5207\u6362\u5230\u7eaf Java \u5b9e\u73b0\u540e\uff0c<code>\u95ee\u9898\u4e0d\u518d\u590d\u73b0<\/code>\u3002\u56e0\u6b64\uff0c\u4ed6\u4eec\u521d\u6b65\u6000\u7591 zstd-jni \u5b58\u5728\u9002\u914d\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6392\u9664\u7d27\u51d1\u5bf9\u8c61\u5934<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e8e\u662f\uff0c\u4ed6\u4eec\u51b3\u5b9a\u5173\u95ed <code>-XX:+UseCompactObjectHeaders<\/code>\uff0c\u7136\u540e<code>\u95ee\u9898\u4ecd\u7136\u53ef\u4ee5\u590d\u73b0<\/code>\u3002\u6392\u9664 JEP 519 \u7684\u5f71\u54cd\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">JDK \u7248\u672c\u4e8c\u5206<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u4ed6\u4eec\u5f00\u59cb\u4e86 JDK \u7248\u672c\u65b9\u9762\u7684\u6392\u67e5\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>JDK 21\u3001JDK 23\u3001JDK 24 \u6700\u540e\u4e00\u4e2a\u7248\u672c<code>\u5747\u65e0\u95ee\u9898<\/code><\/li><li>JDK 25.0.0\u300125.0.1\u300125.0.2 \u5747\u53ef\u590d\u73b0<\/li><li>JDK 26\u3001JDK 27 \u65e0\u95ee\u9898\uff08\u4f46 Spark \u517c\u5bb9\u6027\u672a\u5b8c\u6210\u6d4b\u8bd5\uff09<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u8bf4\u660e\u95ee\u9898\u51fa\u5728 <code>JDK 24 \u5230 JDK 25 \u7684\u6539\u52a8<\/code>\u4e2d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">GC \u7b97\u6cd5\u9501\u5b9a<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c2\u5bdf\u5230\u635f\u574f\u7684\u5217\u57fa\u672c\u90fd\u662f\u5927\u6587\u672c\u5b57\u7b26\u4e32\uff0cSpark GC \u8017\u65f6\u5f02\u5e38\u3002\u5c1d\u8bd5\u66f4\u6362 GC \u7b97\u6cd5\u3002<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u914d\u7f6e<\/th><th>\u6570\u636e\u635f\u574f\uff1f<\/th><\/tr><\/thead><tbody><tr><td>JDK 25 + G1GC\uff08\u9ed8\u8ba4\uff09<\/td><td>\u635f\u574f<\/td><\/tr><tr><td>JDK 25 + ParallelGC<\/td><td>\u6b63\u5e38<\/td><\/tr><tr><td>JDK 25 + ZGC<\/td><td>\u6b63\u5e38<\/td><\/tr><tr><td>JDK 21 + G1GC<\/td><td>\u6b63\u5e38<\/td><\/tr><\/tbody><\/table>\n\n\n\n<p class=\"wp-block-paragraph\">\u5230\u6b64\uff0c\u95ee\u9898\u88ab\u9501\u5b9a\u4e86\uff0c\u662f JDK 25 + G1GC \u6363\u7684\u9b3c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u4e2a Commit \u5f15\u5165\u7684\u81f4\u547d Bug<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u7cbe\u786e\u5b9a\u4f4d\u5f15\u5165\u95ee\u9898\u7684 Commit\uff0c\u643a\u7a0b\u56e2\u961f\u501f\u52a9 GitHub Agents \u7684\u80fd\u529b\uff0c\u540c\u65f6\u4f7f\u7528 AI vibe \u4e86\u4e00\u4e2a JDK 25 \u7f16\u8bd1 Workflow\uff0c\u652f\u6301\u6307\u5b9a Commit ID \u7f16\u8bd1\uff0c\u5e76\u89e3\u51b3\u4e86 CentOS 7 \u4f4e\u7248\u672c glibc \u7684\u517c\u5bb9\u95ee\u9898\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7\u4e8c\u5206\u67e5\u627e\uff0c\u6700\u7ec8\u9501\u5b9a\u5f15\u5165 Bug \u7684 Commit\uff1a<code>JDK-8343782<\/code>\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>G1: Use one G1CardSet instance for multiple old gen regions<br>\n  Commit: <code>86cec4ea<\/code>\uff0cResolved In Build: b10<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fee\u590d Bug \u7684 Commit\uff1aJDK-8370807\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>G1: Improve region attribute table method naming<br>\n  Commit: <code>17fd801b<\/code>\uff0cResolved In Build: b22<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u867d\u7136\u4fee\u590d Commit \u7684\u6807\u9898\u770b\u8d77\u6765\u53ea\u662f\u201c\u6539\u8fdb\u65b9\u6cd5\u547d\u540d\u201d\uff0c\u4f46\u5173\u952e\u6539\u52a8\u5728\u4e8e\uff0c\u5728\u6ce8\u518c\u8001\u5e74\u4ee3\u533a\u57df\u8fdb\u884c\u56de\u6536\u65f6\uff0c\u6b63\u786e\u4f20\u9012\u4e86 <code>r-&gt;has_pinned_objects()<\/code> \u5c5e\u6027\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">G1GC \u4e3a\u4f55\u5077\u8d70\u5bf9\u8c61<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8981\u641e\u61c2\u8fd9\u5176\u4e2d\u7684\u79d8\u5bc6\uff0c\u6211\u4eec\u5148\u6765\u770b\u770b\u4ec0\u4e48\u662f JNI Critical Pinning\uff1f<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">JNI Critical Pinning<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7b80\u5355\u6765\u8bf4\uff0cJava \u901a\u8fc7 JNI\uff08Java Native Interface\uff09\u8c03\u7528 Native \u4ee3\u7801\u65f6\uff0c\u5982\u679c Native \u4ee3\u7801\u9700\u8981\u76f4\u63a5\u64cd\u4f5c Java \u6570\u7ec4\u7684\u5185\u5b58\uff0c\u4f1a\u4f7f\u7528\u4e00\u5bf9\u5173\u952e\u51fd\u6570\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u83b7\u53d6\u6570\u7ec4\u7684\u5185\u5b58\u6307\u9488\uff0c\u5e76\u201c\u56fa\u5b9a\u201d\u8be5\u5bf9\u8c61\nvoid* GetPrimitiveArrayCritical(JNIEnv *env, jarray array, jboolean *isCopy);\n\n\/\/ \u91ca\u653e\u56fa\u5b9a\nvoid ReleasePrimitiveArrayCritical(JNIEnv *env, jarray array, void *carray, jint mode);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u201c\u56fa\u5b9a\u201d\uff08Pin\uff09\u7684\u542b\u4e49\u662f\uff0c\u544a\u8bc9 GC\uff0c\u8fd9\u4e2a\u5bf9\u8c61\u6b63\u5728\u88ab\u6211\uff08Native \u4ee3\u7801\uff09\u76f4\u63a5\u8bfb\u5199\uff0c\u4f60\u4e0d\u80fd\u79fb\u52a8\u5b83\u7684\u7269\u7406\u5185\u5b58\u4f4d\u7f6e\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u4e00\u4e2a\u6570\u7ec4\u88ab <code>GetPrimitiveArrayCritical<\/code> \u9501\u5b9a\u65f6\uff0c\u5b83\u6240\u5728\u7684 heap region \u4f1a\u88ab\u6807\u8bb0\u4e3a <code>has_pinned_objects<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u95ee\u9898\u51fa\u5728\u54ea\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">JDK-8343782 \u7684\u521d\u8877\u662f\u4f18\u5316 G1 GC \u7684\u5185\u5b58\u5360\u7528\uff0c\u4f7f\u7528\u4e00\u4e2a G1CardSet \u5b9e\u4f8b\u7ba1\u7406\u591a\u4e2a\u8001\u5e74\u4ee3\u533a\u57df\u3002\u4f46\u8fd9\u4e2a\u4f18\u5316\u5f15\u5165\u4e86\u4e00\u4e2a\u81f4\u547d\u7f3a\u9677\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u5728 Optional Evacuation\uff08\u53ef\u9009\u56de\u6536\uff09\u9636\u6bb5\uff0cG1 \u5ffd\u7565\u4e86\u5bf9\u8c61\u7684 Pinned \u72b6\u6001\uff0c\u9519\u8bef\u5730\u79fb\u52a8\u4e86\u88ab JNI \u4e34\u754c\u533a\u9501\u5b9a\u7684\u5bf9\u8c61\u3002<\/p><\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5bf9 zstd-jni \u7684\u5f71\u54cd\u94fe\u8def\u5982\u4e0b\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>zstd-jni \u901a\u8fc7 <code>GetPrimitiveArrayCritical<\/code> \u9501\u5b9a Java \u6570\u7ec4\uff0c\u83b7\u53d6\u5185\u5b58\u6307\u9488<\/li><li>Native \u7684 C \u4ee3\u7801\u5f00\u59cb\u5411\u8be5\u5730\u5740\u5199\u5165\u538b\u7f29\u540e\u7684\u6570\u636e<\/li><li><code>G1 GC \u5728 Optional Evacuation \u9636\u6bb5\uff0c\u5f3a\u884c\u79fb\u52a8\u4e86\u8fd9\u4e2a Java \u6570\u7ec4\u7684\u5185\u5b58\u4f4d\u7f6e<\/code><\/li><li>C \u5c42\u7684\u538b\u7f29\u903b\u8f91\u628a\u6570\u636e\u5199\u5230\u4e86\u65e7\u7684\u3001\u5df2\u7ecf\u88ab\u5e9f\u5f03\u7684\u5730\u5740<\/li><li>\u56e0\u4e3a\u76f4\u63a5\u64cd\u4f5c\u5185\u5b58\uff0c\u6ca1\u6709\u4efb\u4f55\u5f02\u5e38\u629b\u51fa<\/li><li>\u6700\u7ec8\u843d\u76d8\u7684 Java \u5b57\u8282\u6570\u7ec4\u91cc\u7684\u6570\u636e\u5df2\u7ecf\u5b8c\u5168\u9519\u4e71<\/li><li>\u4e0b\u6e38\u8bfb\u53d6\u65f6\uff0cZstd \u89e3\u538b\u56e0\u683c\u5f0f\u4e0d\u7b26\u800c\u62a5\u9519<\/li><\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u767d\u4e86\uff0c\u5c31\u662f pinned \u6807\u5fd7\u4e22\u5931 \u2192 GC \u79fb\u52a8\u4e86\u4e0d\u8be5\u79fb\u52a8\u7684\u5bf9\u8c61 \u2192 JNI \u88f8\u6307\u9488\u6307\u5411\u5e9f\u5f03\u5185\u5b58 \u2192 \u6700\u7ec8\u89e6\u53d1\u4e86<code>\u6570\u636e\u9759\u9ed8\u635f\u574f<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e3a\u4ec0\u4e48\u53eb\u9759\u9ed8\u635f\u574f\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u662f\u8fd9\u4e2a Bug \u6700\u53ef\u6015\u7684\u5730\u65b9\u5728\u4e8e\u65e0\u4efb\u4f55\u5f02\u5e38\u65e5\u5fd7\u7b49\u4fe1\u606f\u3002<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u7279\u5f81<\/th><th>\u8868\u73b0<\/th><\/tr><\/thead><tbody><tr><td>\u5199\u5165\u65f6<\/td><td>\u65e0\u4efb\u4f55\u5f02\u5e38\uff0c\u7a0b\u5e8f\u6b63\u5e38\u8dd1\u5b8c<\/td><\/tr><tr><td>CRC \u6821\u9a8c<\/td><td>\u5168\u90e8\u901a\u8fc7\uff08\u56e0\u4e3a\u5199\u5165\u548c\u8bfb\u53d6\u7684\u5b57\u8282\u6d41\u4e00\u81f4\uff09<\/td><\/tr><tr><td>\u6587\u4ef6\u683c\u5f0f<\/td><td>\u770b\u8d77\u6765\u6b63\u5e38\uff0c\u53ea\u662f\u5185\u5bb9\u5df2\u635f\u574f<\/td><\/tr><tr><td>\u62a5\u9519\u65f6\u673a<\/td><td>\u53ea\u6709\u4e0b\u6e38\u8bfb\u53d6\/\u89e3\u538b\u65f6\u624d\u66b4\u9732<\/td><\/tr><tr><td>\u6570\u636e\u6062\u590d<\/td><td><code>\u4e0d\u53ef\u6062\u590d<\/code>\uff0c\u56e0\u4e3a\u539f\u59cb\u6570\u636e\u5df2\u7ecf\u88ab\u8986\u76d6<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h2 class=\"wp-block-heading\">\u5f71\u54cd\u9762<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u770b\u5230\u8fd9\u91cc\uff0c\u5c31\u77e5\u9053\u4e86\uff0c\u8fd9\u4e2a bug \u7684\u5f71\u54cd\u9762\u8fdc\u4e0d\u6b62 zstd-jni\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5 Bug \u7684\u6839\u672c\u539f\u56e0\u662f G1 GC \u5728 Optional Evacuation \u9636\u6bb5\u9519\u8bef\u79fb\u52a8\u4e86\u88ab JNI \u4e34\u754c\u533a\u9501\u5b9a\u7684\u5bf9\u8c61\u3002\u56e0\u6b64\uff0c\u51e1\u662f\u901a\u8fc7 <code>GetPrimitiveArrayCritical<\/code> \/ <code>ReleasePrimitiveArrayCritical<\/code> \u76f4\u63a5\u64cd\u4f5c Java \u6570\u7ec4\u5185\u5b58\u7684\u573a\u666f\uff0c\u5747\u5b58\u5728\u89e6\u53d1\u98ce\u9669\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d7\u5f71\u54cd\u7684\u7ec4\u4ef6\/\u5e93\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>zstd-jni\uff1aZstd \u538b\u7f29\uff08ORC\u3001Parquet\u3001Kafka \u6d88\u606f\u4f53\u7b49\u5927\u91cf\u4f7f\u7528\uff09<\/li><li>JDK \u5185\u7f6e Zip\/Deflate \u5e93\uff1a<code>java.util.zip.Deflater<\/code> \/ <code>Inflater<\/code>\uff08\u540c\u6837\u57fa\u4e8e JNI \u5b9e\u73b0\uff0c\u5df2\u9a8c\u8bc1\u53ef\u590d\u73b0\uff09<\/li><li>\u5176\u4ed6\u8c03\u7528 Native \u538b\u7f29\/\u52a0\u5bc6\/\u6570\u5b66\u8fd0\u7b97\u5e93\u7b49\u5404\u79cd\u573a\u666f<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u643a\u7a0b\u56e2\u961f\u8fd8\u70ed\u5fc3\u7684\u9a8c\u8bc1\u4e86 JDK \u81ea\u5e26\u7684 Zip \u538b\u7f29\u5e93\u540c\u6837\u53ef\u590d\u73b0\u8be5\u95ee\u9898\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Caused by: java.io.IOException: Bad compression data\nCaused by: java.util.zip.DataFormatException: invalid stored block lengths<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">\u4fee\u590d\u4e0e\u89c4\u907f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u5b98\u65b9\u4fee\u590d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">OpenJDK \u793e\u533a\u5728\u63a5\u5230\u62a5\u544a\u540e\u9ad8\u5ea6\u91cd\u89c6\uff0c\u7ecf\u8fc7\u591a\u8f6e\u8ba8\u8bba\u548c\u9a8c\u8bc1\uff0c\u6700\u7ec8\u5b9e\u73b0\u4e86 backport\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>JDK-8377811<\/code>: G1: Optional Evacuations may evacuate pinned objects<\/li><li>\u8be5\u4fee\u590d\u5df2\u5305\u542b\u5728 <code>JDK 25.0.3<\/code> \u4e2d\uff082026 \u5e74 4 \u6708 21 \u65e5\u53d1\u5e03\uff09<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e34\u65f6\u89c4\u907f\u65b9\u6848<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u6709\u8bfb\u8005\u6b63\u5728\u4f7f\u7528 JDK 25.0.0\u300125.0.1\u300125.0.2\uff0c\u5219\u5efa\u8bae\u8fdb\u884c\u4ee5\u4e0b\u9009\u62e9\u8fdb\u884c\u4fee\u590d\u3002<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u65b9\u6848<\/th><th>\u64cd\u4f5c<\/th><\/tr><\/thead><tbody><tr><td>\u5347\u7ea7<\/td><td>\u5c3d\u5feb\u5347\u7ea7\u81f3 JDK 25.0.3+<\/td><\/tr><tr><td>\u6362 GC<\/td><td>\u4f7f\u7528 <code>-XX:+UseParallelGC<\/code> \u6216 <code>-XX:+UseZGC<\/code> \u66ff\u4ee3 G1GC<\/td><\/tr><tr><td>\u964d\u7ea7<\/td><td>\u56de\u9000\u81f3 JDK 21 LTS<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h3 class=\"wp-block-heading\">\u5173\u4e8e JEP 519 \u7d27\u51d1\u5bf9\u8c61\u5934<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u7279\u6027\u672c\u8eab\u6ca1\u6709\u95ee\u9898\uff0c\u643a\u7a0b\u7684\u6392\u67e5\u4e5f\u8bc1\u5b9e\u4e86\u8fd9\u4e00\u70b9\u3002\u4f46\u5b83\u662f\u4e00\u4e2a<code>\u9700\u8981\u663e\u5f0f\u5f00\u542f<\/code>\u7684\u53c2\u6570\uff0c\u4e0d\u662f\u9ed8\u8ba4\u884c\u4e3a\u3002\u5982\u679c\u4f60\u5f00\u542f\u4e86\u5b83\uff0c\u8bf7\u786e\u4fdd\u4f60\u7684 JDK \u7248\u672c\u5df2\u7ecf\u4fee\u590d\u4e86\u4e0a\u8ff0 G1GC \u7684 bug\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u53c2\u6570\uff0c\u5c06\u6765\u8bf4\u4e0d\u5b9a\u4f1a\u6210\u4e3a\u9ed8\u8ba4\u3002\u7b97\u4e86\uff0c\u5c06\u6765\u7684\u4e8b\u5c06\u6765\u518d\u8bf4\u5427\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5199\u5728\u6700\u540e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JDK 25 \u662f\u4e00\u4e2a\u5145\u6ee1\u8bf1\u60d1\u7684 LTS \u7248\u672c\uff0c\u7d27\u51d1\u5bf9\u8c61\u5934\u3001\u865a\u62df\u7ebf\u7a0b\u6210\u719f\u3001Shenandoah \u5206\u4ee3 GC \u2026\u2026 \u6bcf\u4e00\u4e2a\u7279\u6027\u90fd\u5728\u8bf4\u201c\u5feb\u6765\u7528\u6211\u201d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u643a\u7a0b\u7684\u8fd9\u6b21\u8e29\u5751\u544a\u8bc9\u6211\u4eec\uff0c<code>\u65b0\u7248\u672c\u7684 .0\u3001.1\u3001.2 \u8865\u4e01\uff0c\u5f80\u5f80\u662f\u8e29\u96f7\u9ad8\u53d1\u533a<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G1GC \u7684\u8fd9\u4e2a bug\uff0c\u4ece JDK-8343782 \u5f15\u5165\u5230 JDK-8370807 \u4fee\u590d\uff0c\u6a2a\u8de8\u4e86 JDK 25 \u7684\u4e09\u4e2a\u5c0f\u7248\u672c\u3002\u5982\u679c\u4e0d\u662f\u50cf\u643a\u7a0b\u8fd9\u6837\u7684\u4e00\u6279\u5934\u90e8\u4f01\u4e1a\u5728\u751f\u4ea7\u73af\u5883\u5927\u89c4\u6a21\u7070\u5ea6\u4e2d\u53ca\u65f6\u53d1\u73b0\u5e76\u63a8\u52a8\u793e\u533a\u4fee\u590d\uff0c\u8fd9\u4e2a\u201c\u9759\u9ed8\u6570\u636e\u635f\u574f\u201d\u7684\u9690\u60a3\u53ef\u80fd\u4f1a\u6f5c\u4f0f\u66f4\u4e45\uff0c\u5f71\u54cd\u66f4\u5e7f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6280\u672f\u9009\u578b\u6ca1\u6709\u94f6\u5f39\uff0c\u5347\u7ea7\u8def\u4e0a\u6c38\u8fdc\u6709\u5751\u3002\u4fdd\u6301\u656c\u754f\uff0c\u4fdd\u6301\u9a8c\u8bc1\uff0c\u4fdd\u6301\u5bf9\u5e95\u5c42\u539f\u7406\u7684\u597d\u5947\u5fc3\uff0c\u8fd9\u624d\u662f\u5de5\u7a0b\u5e08\u7684\u62a4\u57ce\u6cb3\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Java \u7684\u8fdb\u6b65\u90fd\u662f\u7531\u5c11\u6570\u4eba\u63a8\u52a8\u7684\uff0c\u6211\u4eec\u591a\u7528\uff0c\u8ba9 Java \u518d\u6b21\u4f1f\u5927\uff01<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u8d44\u6599<\/h2>\n\n\n\n<ul class=\"wp-block-list\"><li><code>https:\/\/bugs.openjdk.org\/browse\/JDK-8343782<\/code><\/li><li><code>https:\/\/bugs.openjdk.org\/browse\/JDK-8370807<\/code><\/li><li><code>https:\/\/juejin.cn\/post\/7638635597335658547<\/code><\/li><li><code>https:\/\/bugs.openjdk.org\/browse\/JDK-8377811<\/code><\/li><li><code>https:\/\/openjdk.org\/jeps\/519<\/code><\/li><\/ul>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=5719\">JDK 25 \u7684 G1GC \u5b58\u5728\u9759\u9ed8\u6570\u636e\u635f\u574f Bug\uff0c\u643a\u7a0b\u8e29\u5751<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>\u524d\u4e0d\u4e45\uff0c\u6211\u5199\u4e86 JDK 25.0.3 \u7684\u65b0\u7248\u672c\u53d1\u5e03\u6587\u7ae0\uff0c\u4e0d\u5c11\u4eba\u8868\u793a JDK 25 \u76ee\u524d\u7528\u7684\u8fd8\u5c11\uff0c\u66f4\u6709\u7f51\u53cb\u8868\u793a\u8fd8 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[608,609,613,1334,2094],"class_list":["post-5719","post","type-post","status-publish","format-standard","hentry","category-java","tag-jdk","tag-jdk1-5","tag-jdk1-6","tag-jdk8","tag-openjdk"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5719"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5719\/revisions"}],"predecessor-version":[{"id":5720,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5719\/revisions\/5720"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}