Method open

java/org/apache/catalina/session/DataSourceStore.java:559–604

Open (if necessary) and return a database connection for use by this Store. @return database connection ready to use @exception SQLException if a database error occurs

()

     * @exception SQLException if a database error occurs
     */
    protected Connection open() throws SQLException {
        if (dataSourceName != null && dataSource == null) {
            org.apache.catalina.Context context = getManager().getContext();
            if (getLocalDataSource()) {
                ClassLoader oldThreadContextCL = context.bind(null);
                try {
                    Context envCtx = (Context) (new InitialContext()).lookup("java:comp/env");
                    this.dataSource = (DataSource) envCtx.lookup(this.dataSourceName);
                } catch (NamingException e) {
                    context.getLogger().error(sm.getString("dataSourceStore.wrongDataSource", this.dataSourceName), e);
                } finally {
                    context.unbind(oldThreadContextCL);
                }
            } else {
                try {
                    // This should be the normal way to lookup for the global in the global context (no comp/env)
                    Service service = Container.getService(context);
                    if (service != null) {
                        Server server = service.getServer();
                        if (server != null) {
                            Context namingContext = server.getGlobalNamingContext();
                            this.dataSource = (DataSource) namingContext.lookup(dataSourceName);
                        }
                    }
                } catch (NamingException e) {
                    // Ignore, try another way for compatibility
                }
                if (this.dataSource == null) {
                    try {
                        Context envCtx = (Context) (new InitialContext()).lookup("java:comp/env");
                        this.dataSource = (DataSource) envCtx.lookup(this.dataSourceName);
                    } catch (NamingException e) {
                        context.getLogger().error(sm.getString("dataSourceStore.wrongDataSource", this.dataSourceName),
                                e);
                    }
                }
            }

        }

        if (dataSource != null) {
            return dataSource.getConnection();
        } else {
            throw new IllegalStateException(sm.getString("dataSourceStore.missingDataSource"));
        }
    }

    /**
     * Close the specified database connection.