📄 tomcat全局数据源配置常见的错误--星溪.htm
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<H2 class=diaryTitle>Tomcat全局数据源配置常见的错误- -</H2>
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<P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=ZH-CN
style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-bidi-font-size: 14.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">试图配置一个全局</SPAN><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt">datasource</SPAN><SPAN
lang=ZH-CN
style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-bidi-font-size: 14.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">供所有</SPAN><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt">webapp</SPAN><SPAN
lang=ZH-CN
style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-bidi-font-size: 14.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">使用，</SPAN><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt">Server.xml</SPAN><SPAN
lang=ZH-CN
style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-bidi-font-size: 14.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">配置</SPAN><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><GlobalNamingResources></SPAN><SPAN
lang=ZH-CN
style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-bidi-font-size: 14.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">如下：</SPAN><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><GlobalNamingResources><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes"> </SPAN><ResourceParams name="<SPAN
style="COLOR: blue">jdbc/global</SPAN>"> <o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN><parameter><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN><name>url</name><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN><value>jdbc:oracle:thin:@host:1521:sid</value><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN></parameter><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN><parameter><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN><name>driverClassName</name><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN><value>oracle.jdbc.driver.OracleDriver</value><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN></parameter><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes"> </SPAN>…
…<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes">
</SPAN></ResourceParams><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"></GlobalNamingResources><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><Engine><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-tab-count: 1">
</SPAN><Host><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-tab-count: 1"> </SPAN><SPAN
style="mso-tab-count: 1"> </SPAN><Context path=”/webapp”
reloadable=”true”><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-tab-count: 1"> </SPAN><SPAN
style="mso-tab-count: 1">
</SPAN>… …<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-tab-count: 1"> </SPAN><SPAN
style="mso-tab-count: 1"> </SPAN></Context><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-tab-count: 1"> </SPAN></Host><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"></Engine><o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=ZH-CN
style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-bidi-font-size: 14.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">然后试图在</SPAN><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt">webapp</SPAN><SPAN
lang=ZH-CN
style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-bidi-font-size: 14.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">程序里</SPAN><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt">lookup</SPAN><SPAN
lang=ZH-CN
style="FONT-SIZE: 10pt; FONT-FAMILY: SimSun; mso-bidi-font-size: 14.0pt; mso-ascii-font-family: 'Times New Roman'; mso-hansi-font-family: 'Times New Roman'">该</SPAN><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt">DataSource.
<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes"> </SPAN>Context initCtx = new
javax.naming.InitialContext();<o:p></o:p></SPAN></P>
<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN
style="FONT-SIZE: 10pt; mso-bidi-font-size: 14.0pt"><SPAN
style="mso-spacerun: yes"> </SPAN>DataSource ds =
(javax.sql.DataSource)initCtx.lookup("java:comp/env/<SPAN
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