{"id":35035,"date":"2024-11-26T14:55:13","date_gmt":"2024-11-26T06:55:13","guid":{"rendered":"https:\/\/fwq.ai\/blog\/35035\/"},"modified":"2024-11-26T14:55:13","modified_gmt":"2024-11-26T06:55:13","slug":"java%e8%b0%83%e7%94%a8kettle%e5%9c%a8tomcat%e7%8e%af%e5%a2%83%e4%b8%8b%e6%8a%a5%e9%94%99%ef%bc%9ajavassist%e7%89%88%e6%9c%ac%e4%b8%8d%e5%85%bc%e5%ae%b9%e6%80%8e%e4%b9%88%e5%8a%9e%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/35035\/","title":{"rendered":"Java\u8c03\u7528Kettle\u5728Tomcat\u73af\u5883\u4e0b\u62a5\u9519\uff1aJavassist\u7248\u672c\u4e0d\u517c\u5bb9\u600e\u4e48\u529e\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173059474116884.jpg\" class=\"aligncenter\" title=\"Java\u8c03\u7528Kettle\u5728Tomcat\u73af\u5883\u4e0b\u62a5\u9519\uff1aJavassist\u7248\u672c\u4e0d\u517c\u5bb9\u600e\u4e48\u529e\uff1f\u63d2\u56fe\" alt=\"Java\u8c03\u7528Kettle\u5728Tomcat\u73af\u5883\u4e0b\u62a5\u9519\uff1aJavassist\u7248\u672c\u4e0d\u517c\u5bb9\u600e\u4e48\u529e\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>java\u8c03\u7528kettle\u62a5\u9519\u4ee5\u53ca\u5728\u73af\u5883\u4e0b\u5f02\u5e38\uff0c\u4f46\u4e0d\u5f71\u54cdkettle\u8fd0\u884c<\/strong><\/p>\n<p><strong>\u95ee\u9898\u6765\u6e90\uff1a<\/strong><\/p>\n<p>\u5728java\u4ee3\u7801\u4e2d\u8c03\u7528kettle\u65f6\uff0c\u7a0b\u5e8f\u5728\u4e3b\u65b9\u6cd5\u8fd0\u884c\u6b63\u5e38\uff0c\u4f46\u5728tomcat\u5bb9\u5668\u73af\u5883\u4e0b\u5374\u51fa\u73b0\u5f02\u5e38\u3002\u8be5\u5f02\u5e38\u4fe1\u606f\u5982\u4e0b\uff1a<\/p>\n<pre>java.io.IOException: invalid constant type: 20 at 7<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p><strong>\u5f02\u5e38\u539f\u56e0\uff1a<\/strong><\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p>\u8be5\u5f02\u5e38\u6307\u51fa\uff0c\u7a0b\u5e8f\u5728\u8bfb\u53d6\u5b57\u8282\u7801\u6587\u4ef6\u65f6\u9047\u5230\u4e86\u95ee\u9898\uff0c\u5177\u4f53\u662f\u9047\u5230\u4e86\u4e00\u4e2a\u65e0\u6548\u7684\u5e38\u91cf\u7c7b\u578b\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8ejava\u548cjavassist\u5e93\u7248\u672c\u4e0d\u517c\u5bb9\u5bfc\u81f4\u7684\u3002<\/p>\n<p><strong>\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<p>\u6839\u636e\u95ee\u9898\u7b54\u6848\uff0c\u89e3\u51b3\u65b9\u6848\u662f\u5347\u7ea7javassist\u5e93\u7248\u672c\u3002\u5c06javassist\u7248\u672c\u5347\u7ea7\u5230\u6700\u65b0\u72483.27\u540e\uff0c\u95ee\u9898\u5f97\u5230\u89e3\u51b3\u3002<\/p>\n<p><strong>\u5206\u6790\u548c\u89e3\u91ca\uff1a<\/strong><\/p>\n<p>javassist\u662f\u4e00\u4e2ajava\u5b57\u8282\u7801\u7f16\u8f91\u5e93\uff0c\u5b83\u5141\u8bb8\u7a0b\u5e8f\u52a8\u6001\u5730\u4fee\u6539\u6216\u751f\u6210\u5b57\u8282\u7801\u3002\u7248\u672c\u4e0d\u517c\u5bb9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5728\u8bfb\u53d6\u5b57\u8282\u7801\u6587\u4ef6\u65f6\u9047\u5230\u95ee\u9898\u3002\u5347\u7ea7javassist\u5e93\u7248\u672c\u53ef\u4ee5\u786e\u4fdd\u4e0e\u5176\u5b83\u7684\u5e93\u517c\u5bb9\uff0c\u4ece\u800c\u89e3\u51b3\u8be5\u5f02\u5e38\u3002<\/p>\n<p><strong>\u6ce8\u610f\u4e8b\u9879\uff1a<\/strong><\/p>\n<p>\u786e\u4fddjava\u7248\u672c\u4e0ejavassist\u5e93\u7248\u672c\u517c\u5bb9\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJava\u8c03\u7528Kettle\u5728Tomcat\u73af\u5883\u4e0b\u62a5\u9519\uff1aJavassist\u7248\u672c\u4e0d\u517c\u5bb9\u600e\u4e48\u529e\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>java\u8c03\u7528kettle\u62a5\u9519\u4ee5\u53ca\u5728\u73af\u5883\u4e0b\u5f02\u5e38\uff0c\u4f46\u4e0d\u5f71\u54cdkettle\u8fd0\u884c \u95ee\u9898\u6765\u6e90\uff1a \u5728java\u4ee3\u7801\u4e2d\u8c03\u7528kettle\u65f6\uff0c\u7a0b\u5e8f\u5728\u4e3b\u65b9\u6cd5\u8fd0\u884c\u6b63\u5e38\uff0c\u4f46\u5728tomcat\u5bb9\u5668\u73af\u5883\u4e0b\u5374\u51fa\u73b0\u5f02\u5e38\u3002\u8be5\u5f02\u5e38\u4fe1\u606f\u5982\u4e0b\uff1a java.io.IOException: invalid constant type: 20 at 7 \u767b\u5f55\u540e\u590d\u5236 \u5f02\u5e38\u539f\u56e0\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u8be5\u5f02\u5e38\u6307\u51fa\uff0c\u7a0b\u5e8f\u5728\u8bfb\u53d6\u5b57\u8282\u7801\u6587\u4ef6\u65f6\u9047\u5230\u4e86\u95ee\u9898\uff0c\u5177\u4f53\u662f\u9047\u5230\u4e86\u4e00\u4e2a\u65e0\u6548\u7684\u5e38\u91cf\u7c7b\u578b\u3002\u8fd9\u53ef\u80fd\u662f\u7531\u4e8ejava\u548cjavassist\u5e93\u7248\u672c\u4e0d\u517c\u5bb9\u5bfc\u81f4\u7684\u3002 \u89e3\u51b3\u65b9\u6848\uff1a \u6839\u636e\u95ee\u9898\u7b54\u6848\uff0c\u89e3\u51b3\u65b9\u6848\u662f\u5347\u7ea7javassist\u5e93\u7248\u672c\u3002\u5c06javassist\u7248\u672c\u5347\u7ea7\u5230\u6700\u65b0\u72483.27\u540e\uff0c\u95ee\u9898\u5f97\u5230\u89e3\u51b3\u3002 \u5206\u6790\u548c\u89e3\u91ca\uff1a javassist\u662f\u4e00\u4e2ajava\u5b57\u8282\u7801\u7f16\u8f91\u5e93\uff0c\u5b83\u5141\u8bb8\u7a0b\u5e8f\u52a8\u6001\u5730\u4fee\u6539\u6216\u751f\u6210\u5b57\u8282\u7801\u3002\u7248\u672c\u4e0d\u517c\u5bb9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5728\u8bfb\u53d6\u5b57\u8282\u7801\u6587\u4ef6\u65f6\u9047\u5230\u95ee\u9898\u3002\u5347\u7ea7javassist\u5e93\u7248\u672c\u53ef\u4ee5\u786e\u4fdd\u4e0e\u5176\u5b83\u7684\u5e93\u517c\u5bb9\uff0c\u4ece\u800c\u89e3\u51b3\u8be5\u5f02\u5e38\u3002 \u6ce8\u610f\u4e8b\u9879\uff1a \u786e\u4fddjava\u7248\u672c\u4e0ejavassist\u5e93\u7248\u672c\u517c\u5bb9\u3002 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