{"id":948,"date":"2019-11-14T16:05:47","date_gmt":"2019-11-14T08:05:47","guid":{"rendered":"https:\/\/nj.transwarp.cn:8180\/?p=948"},"modified":"2020-01-13T10:21:13","modified_gmt":"2020-01-13T02:21:13","slug":"txsql%e4%b8%bb%e5%a4%87%e5%88%87%e6%8d%a2%e5%af%bc%e8%87%b4connection-read-only%e6%8a%a5%e9%94%99","status":"publish","type":"post","link":"https:\/\/kbwp.transwarp.cn\/?p=948","title":{"rendered":"TxSQL\u4e3b\u5907\u5207\u6362\u5bfc\u81f4connection read-only\u62a5\u9519"},"content":{"rendered":"<h3>\u6982\u8981\u63cf\u8ff0<\/h3>\n<hr \/>\n<p>workflow\u5b9a\u65f6\u8c03\u5ea6\u4efb\u52a1\u53ea\u6267\u884c\u4e86\u4e00\u6b21\uff0c\u540e\u9762\u4e24\u6b21\u5747\u5931\u8d25\uff0c\u5728workflow\u65e5\u5fd7\u4e2d\u53d1\u73b0\u6709\u5982\u4e0b\u62a5\u9519\uff1a<\/p>\n<pre><code class=\"language-java\">Caused by: java.sql.SQLException: Connection is read-only. Queries leading to data modification are not allowed\n        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:964)\n        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:897)\n        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:886)\n        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:860)<\/code><\/pre>\n<h3>\u8be6\u7ec6\u8bf4\u660e<\/h3>\n<hr \/>\n<p>workflow \u7684\u5143\u6570\u636e\u5728 TxSQL \u4e2d\u4fdd\u5b58\uff0cworkflow \u8dd1\u4efb\u52a1\u7684\u65f6\u5019\u4e0e\u5143\u6570\u636e\u5e93 TxSQL \u6709\u4ea4\u4e92\uff0c\u5982\u679c\u5728\u4ea4\u4e92\u8fc7\u7a0b\u4e2d\u53d1\u751f\u4e86\u4e3b\u5907\u5207\u6362\uff0c\u5219\u4f1a\u51fa\u73b0 read-only \u7684\u95ee\u9898\uff1b<\/p>\n<p>\u5047\u8bbe TxSQL \u7684 jdbc \u8fde\u63a5\u4e32\u914d\u7f6e\u4e3a\uff1a<\/p>\n<pre><code class=\"language-java\">jdbc:mysql:\/\/node1:3306,node2:3306\/manager?autoReconnect=true&createDatabaseIfNotExist=false&characterEncoding=UTF-8\uff0c<\/code><\/pre>\n<p>\u5982\u679c node1 \u673a\u5668\uff08\u5373\u8fde\u63a5\u4e32\u4e0a\u586b\u5199\u7684\u7b2c\u4e00\u53f0\u673a\u5668\uff09\u4e0a\u7684TxSQL\u6302\u6389\u4e86\uff0cjdbc \u8fde\u63a5\u5207\u6362\u5230 node2 \u4e4b\u540e\u4f1a\u53d8\u6210 read-only\uff0c\u539f\u56e0\u662f jdbc \u6709\u4e2a\u9ed8\u8ba4\u53c2\u6570 failOverReadOnly=true\uff0c\u5c31\u4f1a\u51fa\u73b0\u5207\u6362\u4e4b\u540e\u5c06\u4e0d\u80fd\u5199TxSQL\uff0c\u53ea\u80fdread-only\u3002<\/p>\n<p>\u8be5\u95ee\u9898\u6700\u7ec8\u4fee\u590d\u7248\u662f TDH 6.0\uff0c\u5f53\u524d\u7684\u89e3\u51b3\u65b9\u6848\u662f\u4fee\u6539\u5143\u6570\u636e\u5e93\u7684\u8fde\u63a5\u4e32\uff1b<\/p>\n<h4>\u89e3\u51b3\u65b9\u6848<\/h4>\n<p>\u53bb\u5f53\u524d TDH \u7248\u672c\u7684 metainfo \u76ee\u5f55\uff0c\u6bd4\u5982\u6211\u8fd9\u91cc\u662f :<strong><code>\/var\/lib\/transwarp-manager\/master\/content\/meta\/services\/WORKFLOW\/transwarp-5.1.1-final\/templates<\/code><\/strong>\uff0c\u4fee\u6539\u76ee\u5f55\u4e0b\u7684 db.properties \u91cc\u7684\u8fde\u63a5\uff0c\u52a0\u4e0a failOverReadOnly=false \u8fd9\u4e2a\u53c2\u6570\uff0c\u7136\u540e\u91cd\u542f manager\uff0c\u7136\u540e\u914d\u7f6e workflow \u670d\u52a1\uff0c\u6700\u540e\u91cd\u542f workflow \u5373\u53ef\u89e3\u51b3\u3002<\/p>\n<p>\u4fee\u6539\u524d\u8fde\u63a5\u4e32\uff1a<\/p>\n<pre><code class=\"language-java\">jdbc:mysql:\/\/node1:3306,node2:3306\/manager?autoReconnect=true&createDatabaseIfNotExist=false&characterEncoding=UTF-8<\/code><\/pre>\n<p>\u4fee\u6539\u540e\u8fde\u63a5\u4e32\uff1a<\/p>\n<pre><code class=\"language-java\">jdbc:mysql:\/\/node1:3306,node2:3306\/manager?failOverReadOnly=false&autoReconnect=true&createDatabaseIfNotExist=false&characterEncoding=UTF-8<\/code><\/pre>\n<p><img decoding=\"async\" src=\"\/wp-content\/uploads\/2019\/09\/image-1568622595356.png\" alt=\"file\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6982\u8981\u63cf\u8ff0 workflow\u5b9a\u65f6\u8c03\u5ea6\u4efb\u52a1\u53ea\u6267\u884c\u4e86\u4e00\u6b21\uff0c\u540e\u9762\u4e24\u6b21\u5747\u5931\u8d25\uff0c\u5728workflow\u65e5\u5fd7\u4e2d\u53d1\u73b0\u6709\u5982\u4e0b\u62a5\u9519\uff1a  ..<\/p>\n<div class=\"clear-fix\"><\/div>\n<p><a href=\"https:\/\/kbwp.transwarp.cn\/?p=948\" title=\"read more...\">Read more<\/a><\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-948","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"acf":[],"_links":{"self":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/948","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=948"}],"version-history":[{"count":2,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/948\/revisions"}],"predecessor-version":[{"id":993,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=\/wp\/v2\/posts\/948\/revisions\/993"}],"wp:attachment":[{"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=948"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kbwp.transwarp.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}