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POJboss datasource recovering after database re-start
 

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    <p>Closed connections still in the connection pool - why?</p> <p>servlet-</p> <pre><code>public class Index extends HttpServlet { TimeZoneService timeZoneService; public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException { WebApplicationContext ctx = WebApplicationContextUtils.getRequiredWebApplicationContext(getServletContext()); timeZoneService = (TimeZoneService) ctx.getBean("timeZoneService"); timeZoneService.loadAllTimeZones(); System.out.println("Done"); } } public interface TimeZoneService { void loadAllTimeZones(); } public class TimeZoneServiceImpl implements TimeZoneService { private TimeZoneDao tzDao; private Map&lt;Long, String&gt; tzOid2JavaName = new HashMap&lt;Long, String&gt;(); public void loadAllTimeZones() { List&lt;TimeZone&gt; timeZones = tzDao.findAllTimeZones(); for (TimeZone tz : timeZones) { tzOid2JavaName.put(tz.getOid(), tz.getJavaName()); } } public void setTzDao(TimeZoneDao tzDao) { this.tzDao = tzDao; } } public interface TimeZoneDao { List&lt;TimeZone&gt; findAllTimeZones() throws DataAccessException; } public class TimeZoneDaoImpl extends JdbcDaoSupport implements TimeZoneDao { public List&lt;TimeZone&gt; findAllTimeZones() throws DataAccessException { StringBuffer sql = new StringBuffer(); sql.append("SELECT TZ.OID, TZ.JAVA_NAME FROM TIME_ZONE TZ"); List&lt;TimeZone&gt; timeZones = getJdbcTemplate().query(sql.toString(), new RowMapper() { public Object mapRow(ResultSet rs, int i) throws SQLException { TimeZone tz = new TimeZone(); tz.setOid(rs.getLong("OID")); tz.setJavaName(rs.getString("JAVA_NAME")); return tz; } }); return timeZones; } } public class TimeZone { private Long oid; private String javaName; public Long getOid() { return this.oid; } public void setOid(Long oid) { this.oid = oid; } public String getJavaName() { return this.javaName; } public void setJavaName(String javaName) { this.javaName = javaName; } } </code></pre> <p>spring-config.xml</p> <pre><code>&lt;beans&gt; &lt;jee:jndi-lookup id="dataSource" jndi-name="java:/OracleDS"/&gt; &lt;bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager"&gt; &lt;property name="dataSource" ref="dataSource"/&gt; &lt;/bean&gt; &lt;bean id="timeZoneDao" class="dao.impl.TimeZoneDaoImpl"&gt; &lt;property name="dataSource" ref="dataSource"/&gt; &lt;/bean&gt; &lt;bean id="timeZoneService" class="logic.impl.TimeZoneServiceImpl"&gt; &lt;property name="tzDao" ref="timeZoneDao"/&gt; &lt;/bean&gt; &lt;/beans&gt; </code></pre> <p>web.xml</p> <pre><code>&lt;web-app&gt; &lt;display-name&gt;Spring&lt;/display-name&gt; &lt;context-param&gt; &lt;param-name&gt;contextConfigLocation&lt;/param-name&gt; &lt;param-value&gt; WEB-INF/spring-config.xml,classpath*:/META-INF/spring-config.xml&lt;/param-value&gt; &lt;/context-param&gt; &lt;listener&gt; &lt;listener-class&gt; org.springframework.web.context.ContextLoaderListener &lt;/listener-class&gt; &lt;/listener&gt; &lt;servlet&gt; &lt;servlet-name&gt;index&lt;/servlet-name&gt; &lt;display-name&gt;Index page&lt;/display-name&gt; &lt;description&gt;Landing page&lt;/description&gt; &lt;servlet-class&gt;servlet.Index&lt;/servlet-class&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;index&lt;/servlet-name&gt; &lt;url-pattern&gt;/index&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;!-- Session Timeout (in minutes) --&gt; &lt;session-config&gt; &lt;session-timeout&gt;60&lt;/session-timeout&gt; &lt;/session-config&gt; &lt;/web-app&gt; </code></pre> <p>mysql-ds.xml</p> <pre><code>&lt;datasources&gt; &lt;local-tx-datasource&gt; &lt;jndi-name&gt;OracleDS&lt;/jndi-name&gt; &lt;connection-url&gt;jdbc:mysql://localhost:3306/spring&lt;/connection-url&gt; &lt;driver-class&gt;com.mysql.jdbc.Driver&lt;/driver-class&gt; &lt;user-name&gt;spring_test&lt;/user-name&gt; &lt;password&gt;spring_test13&lt;/password&gt; &lt;min-pool-size&gt;1&lt;/min-pool-size&gt; &lt;max-pool-size&gt;5&lt;/max-pool-size&gt; &lt;idle-timeout-minutes&gt;2&lt;/idle-timeout-minutes&gt; &lt;/local-tx-datasource&gt; &lt;/datasources&gt; </code></pre>
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    1. COmysql-ds.xml <datasources> <local-tx-datasource> <jndi-name>OracleDS</jndi-name> <connection-url>jdbc:mysql://localhost:3306/spring</connection-url> <driver-class>com.mysql.jdbc.Driver</driver-class> <user-name>spring_test</user-name> <password>spring_test13</password> <min-pool-size>1</min-pool-size> <max-pool-size>5</max-pool-size> <idle-timeout-minutes>2</idle-timeout-minutes> </local-tx-datasource> </datasources>
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