如何将 SQLite JDBC 驱动程序包含到 docker 图像？

Question

我尝试创建一个 docker servlet 应用程序映像，它使用 SQLite 数据库或 xml 存储数据并 tomcat 设置应用程序。它在环境变量中定义了应用程序使用的存储类型。当我使用 xml 时一切正常，但是当我尝试切换到 db 时，应用程序看不到我提供的 JDBC 驱动程序。我尝试使用不同的方法来提供它，我在创建 WAR 文件之前将它添加到 WEB-INF/lib 目录，我试图将它复制到 Docker 文件中的 /usr/local/tomcat/lib 目录，我试图将它作为一个卷安装，但没有任何效果。我仍然得到同样的错误：

java.sql.SQLException: No suitable driver found for jdbc:sqlite:/build/library.db
at java.sql.DriverManager.getConnection(DriverManager.java:689)
at java.sql.DriverManager.getConnection(DriverManager.java:270)
at library.LibrarySQLDAO.<init>(LibrarySQLDAO.java:103)
at library.AuthorServlet.doGet(AuthorServlet.java:216)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:634)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:199)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:651)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:501)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:754)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1376)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)

Docker文件看起来像这样

FROM tomcat:9.0-alpine
COPY LibraryWeb.war /usr/local/tomcat/webapps/
COPY tomcat-users.xml /usr/local/tomcat/conf/tomcat-users.xml
COPY library.db build/library.db
COPY library.xml build/library.xml
COPY sqlite-jdbc-3.36.0.3.jar /usr/local/tomcat/lib/sqlite-jdbc-3.36.0.3.jar
EXPOSE 8080
ENV XML_FILE_LOCATION=build/library.xml
ENV SQLITE_FILE_LOCATION=build/library.db
ENV STORAGE_ENGINE=sql
CMD ["catalina.sh","run"]

现在我不知道我做错了什么，请给我提示。我也是 Java 和 Docker 的新手。我也知道在容器中包含数据存储不是一个好主意，但现在我想让它正常工作，然后我会考虑如何正确提供数据存储。

Answer 1

从 sqlite-jdbc-3.36.0.3.jar
复制libsqlitejdbc.so到/usr/lib

示例：

RUN unzip -j sqlite-jdbc-*.jar "org/sqlite/native/$(uname -s)/$(uname -m)/libsqlitejdbc.so"
RUN mv libsqlitejdbc.so /usr/lib

如何将 SQLite JDBC 驱动程序包含到 docker 图像？

How to include SQLite JDBC driver to docker image?

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tomcat