Tur*_*ral 5 java oracle spring tomcat mybatis
我们公司有使用 Java 7、Spring Framework 3.1.2、MyBatis 3.1.1、MyBatis Spring 1.2.2、JasperReports 6.1.0 等开发的应用程序。应用程序工作在 Tomcat 7.0.35,使用 Tomcat Connection Pool连接到 Oracle 数据库 10g 企业版 10.2.0.4.0 版 - 64 位。JRE 版本 1.7.0_09-b05。应用程序在 RHEL Server 6.5 上运行。
问题不时出现,然后在几个小时(3-6 小时)后消失,有时几天(1-3 天)后消失。当 Web Service 创建报告时,应用程序调用 MyBatis 映射器的方法,返回 List<MonthlyReport>,然后应用程序将此列表传递给在文件系统上创建报告的 JasperReport 引擎,最后应用程序在响应时返回文件流(MTOM )。问题是,定期尝试在数据库中运行查询以创建报告时,会导致以下异常:
ERROR 2015-07-23 11:44:03,012 [http-bio-8280-exec-2] exception type: org.springframework.jdbc.UncategorizedSQLException
ERROR 2015-07-23 11:44:03,012 [http-bio-8280-exec-2] exception message:
### Error querying database. Cause: java.sql.SQLException: ORA-12801: error signaled in parallel query server P010
ORA-01841: (full) year must be between -4713 and +9999, and not be 0
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这是查询:
<select id="getMonthlyReportData" resultType="MonthlyReport" parameterType="map">
<![CDATA[
SELECT r.bank_name bankName,
r.user_name userName,
r.descr userDescription,
CASE WHEN r.parent_bank_id IS NULL THEN 1 ELSE 0 END isParentBankInt,
COUNT (CASE WHEN r.p_type NOT IN ('SS', 'DR') THEN 1 ELSE NULL END) postpaidPaymentCount,
SUM (CASE WHEN r.p_type NOT IN ('SS', 'DR') THEN r.amount ELSE 0 END) postpaidPaymentAmount,
COUNT (CASE WHEN r.p_type = 'SS' THEN 1 ELSE NULL END) prepaidPaymentCount,
SUM (CASE WHEN r.p_type = 'SS' THEN r.amount ELSE 0 END) prepaidPaymentAmount,
COUNT (CASE WHEN r.p_type = 'DR' THEN 1 ELSE NULL END) depositRepayCount,
SUM (CASE WHEN r.p_type = 'DR' THEN r.amount ELSE 0 END) depositRepayAmount
FROM (SELECT q.queue_id,
q.amount,
q.p_type,
q.user_name,
q.action_date,
b.parent_bank_id,
U.descr,
b.bank_name
FROM rbp_queue q, rbp_all_banks b, rbp_users U
WHERE q.user_name = U.user_name
AND U.working_bank_id = b.bank_id
AND q.err_code = -1000000
AND q.action_date BETWEEN TO_DATE (#{start_date, javaType=STRING, jdbcType=VARCHAR}, 'YYYYMMDDHH24MISS')
AND TO_DATE (#{end_date, javaType=STRING, jdbcType=VARCHAR}, 'YYYYMMDDHH24MISS')
AND U.working_bank_id IN
(SELECT bank_id
FROM rbp_all_banks
WHERE bank_id = #{bank_id, javaType=Integer, jdbcType=NUMERIC} OR parent_bank_id = #{bank_id, javaType=Integer, jdbcType=NUMERIC})
UNION
SELECT qa.queue_id,
qa.amount,
qa.p_type,
qa.user_name,
qa.action_date,
ba.parent_bank_id,
Ua.descr,
ba.bank_name
FROM sysadm.rbp_queue_arch@azis_archdb qa,
rbp_all_banks ba,
rbp_users Ua
WHERE qa.user_name = Ua.user_name
AND Ua.working_bank_id = ba.bank_id
AND qa.err_code = -1000000
AND qa.action_date BETWEEN TO_DATE (#{start_date, javaType=STRING, jdbcType=VARCHAR}, 'YYYYMMDDHH24MISS')
AND TO_DATE (#{end_date, javaType=STRING, jdbcType=VARCHAR}, 'YYYYMMDDHH24MISS')
AND Ua.working_bank_id IN
(SELECT bank_id
FROM rbp_all_banks
WHERE bank_id = #{bank_id, javaType=Integer, jdbcType=NUMERIC} OR parent_bank_id = #{bank_id, javaType=Integer, jdbcType=NUMERIC})) r
GROUP BY r.bank_name,
r.user_name,
r.descr,
CASE WHEN r.parent_bank_id IS NULL THEN 1 ELSE 0 END
ORDER BY isParentBankInt DESC, bankName, userName
]]>
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应用程序不使用日期类型参数,因为这种情况下的 Oracle 使用了不同的计划,并且查询运行了很长时间。因此,应用程序将查询日期作为文本传递给查询日期,然后使用 TO_DATE 函数将其转换为日期。来自 MyBatis 的日志记录:
DEBUG 2015-07-22 15:10:52,720 [http-apr-8281-exec-2] ooo Using Connection [ProxyConnection[PooledConnection[oracle.jdbc.driver.T4CConnection@344482ac]]]
DEBUG 2015-07-22 15:10:52,724 [http-apr-8281-exec-2] ==> Preparing: SELECT r.bank_name bankName, r.user_name userName, r.descr userDescription, ...
DEBUG 2015-07-22 15:10:52,725 [http-apr-8281-exec-2] ==> Parameters: 20150601000000(String), 20150621235959(String), 31(Integer), 31(Integer), 20150601000000(String), 20150621235959(String), 31(Integer), 31(Integer)
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如这里所见,MyBatis 将日期参数(作为字符串)传递给查询,但是如果查看 Oracle 跟踪我们可以看到,日期参数的值为“”(不是 null,而是两个双引号)。
呼唤
SELECT TO_DATE ('', 'YYYYMMDDHH24MISS') FROM dual
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在 TOAD 返回空值,但
SELECT TO_DATE ('""', 'YYYYMMDDHH24MISS') FROM dual
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引发异常:ORA-01841:(完整)年份必须介于 -4713 和 +9999 之间,而不是 0。
奇怪的是,当服务器出现问题时,同时应用程序在其他计算机(例如我的工作笔记本电脑)上正常运行(创建此报告)。以下是出现问题时Oracle数据库的跟踪文件的一部分:
Bind#0
oacdty=01 mxl=32(28) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000010 frm=02 csi=2000 siz=224 off=0
kxsbbbfp=9fffffffbf330908 bln=32 avl=28 flg=05
value=""
Bind#1
oacdty=01 mxl=32(28) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000010 frm=02 csi=2000 siz=0 off=32
kxsbbbfp=9fffffffbf330928 bln=32 avl=28 flg=01
value=""
Bind#2
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000000 frm=02 csi=2000 siz=0 off=64
kxsbbbfp=9fffffffbf330948 bln=22 avl=02 flg=01
value=31
Bind#3
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000000 frm=02 csi=2000 siz=0 off=88
kxsbbbfp=9fffffffbf330960 bln=22 avl=02 flg=01
value=31
Bind#4
oacdty=01 mxl=32(28) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000010 frm=02 csi=2000 siz=0 off=112
kxsbbbfp=9fffffffbf330978 bln=32 avl=28 flg=01
value=""
Bind#5
oacdty=01 mxl=32(28) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000010 frm=02 csi=2000 siz=0 off=144
kxsbbbfp=9fffffffbf330998 bln=32 avl=28 flg=01
value=""
Bind#6
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000000 frm=02 csi=2000 siz=0 off=176
kxsbbbfp=9fffffffbf3309b8 bln=22 avl=02 flg=01
value=31
Bind#7
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000000 frm=02 csi=2000 siz=0 off=200
kxsbbbfp=9fffffffbf3309d0 bln=22 avl=02 flg=01
value=31
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以下是未发生问题时 Oracle 数据库的跟踪文件的一部分:
Bind#0
oacdty=01 mxl=32(14) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000010 frm=01 csi=31 siz=224 off=0
kxsbbbfp=9fffffffbf323e50 bln=32 avl=14 flg=05
value="20150601000000"
Bind#1
oacdty=01 mxl=32(14) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000010 frm=01 csi=31 siz=0 off=32
kxsbbbfp=9fffffffbf323e70 bln=32 avl=14 flg=01
value="20150621235959"
Bind#2
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000000 frm=01 csi=31 siz=0 off=64
kxsbbbfp=9fffffffbf323e90 bln=22 avl=02 flg=01
value=31
Bind#3
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000000 frm=01 csi=31 siz=0 off=88
kxsbbbfp=9fffffffbf323ea8 bln=22 avl=02 flg=01
value=31
Bind#4
oacdty=01 mxl=32(14) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000010 frm=01 csi=31 siz=0 off=112
kxsbbbfp=9fffffffbf323ec0 bln=32 avl=14 flg=01
value="20150601000000"
Bind#5
oacdty=01 mxl=32(14) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000010 frm=01 csi=31 siz=0 off=144
kxsbbbfp=9fffffffbf323ee0 bln=32 avl=14 flg=01
value="20150621235959"
Bind#6
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000000 frm=01 csi=31 siz=0 off=176
kxsbbbfp=9fffffffbf323f00 bln=22 avl=02 flg=01
value=31
Bind#7
oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
oacflg=03 fl2=1000000 frm=01 csi=31 siz=0 off=200
kxsbbbfp=9fffffffbf323f18 bln=22 avl=02 flg=01
value=31
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注意 binds:0, 1, 4, 5 的值。当问题是value="" 时。
该问题与 MyBatis 无关,因为之前请求是在已编译的 JasperReports 文件(monthlyReport.jasper)中,并且应用程序将数据库连接传递给 JasperReports 引擎以创建报告。JasperReports 本身连接到数据库并运行查询。MyBatis 不用于创建报告,而是用于应用程序中的所有其他目的。同样的 Oracle 错误 (ORA-01841: (full) year must be between -4713 and +9999, and not be 0) 定期发出并出现。从旧日志文件:
ERROR 2015-06-11 08:57:17,559 [http-apr-8280-exec-9] Fill 1: exception
net.sf.jasperreports.engine.JRException: Error executing SQL statement for : monthlyReport_New32Dataset321_1432644594876_272524
at net.sf.jasperreports.engine.query.JRJdbcQueryExecuter.createDatasource(JRJdbcQueryExecuter.java:240)
at net.sf.jasperreports.engine.fill.JRFillDataset.createQueryDatasource(JRFillDataset.java:1087)
at net.sf.jasperreports.engine.fill.JRFillDataset.initDatasource(JRFillDataset.java:668)
at net.sf.jasperreports.engine.fill.JRBaseFiller.setParameters(JRBaseFiller.java:1281)
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:900)
at net.sf.jasperreports.engine.fill.JRBaseFiller.fill(JRBaseFiller.java:845)
at net.sf.jasperreports.engine.fill.JRFillSubreport.fillSubreport(JRFillSubreport.java:651)
at net.sf.jasperreports.engine.fill.JRSubreportRunnable.run(JRSubreportRunnable.java:59)
at net.sf.jasperreports.engine.fill.AbstractThreadSubreportRunner.run(AbstractThreadSubreportRunner.java:203)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)
Caused by: java.sql.SQLException: ORA-12801: error signaled in parallel query server P002
ORA-01841: (full) year must be between -4713 and +9999, and not be 0
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:445)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:879)
at oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:450)
at oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:192)
at oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:531)
at oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:207)
at oracle.jdbc.driver.T4CPreparedStatement.executeForDescribe(T4CPreparedStatement.java:884)
at oracle.jdbc.driver.OracleStatement.executeMaybeDescribe(OracleStatement.java:1167)
at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1289)
at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:3584)
at oracle.jdbc.driver.OraclePreparedStatement.executeQuery(OraclePreparedStatement.java:3628)
at oracle.jdbc.driver.OraclePreparedStatementWrapper.executeQuery(OraclePreparedStatementWrapper.java:1493)
at sun.reflect.GeneratedMethodAccessor349.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at org.apache.tomcat.jdbc.pool.interceptor.AbstractQueryReport$StatementProxy.invoke(AbstractQueryReport.java:235)
at $Proxy99.executeQuery(Unknown Source)
at net.sf.jasperreports.engine.query.JRJdbcQueryExecuter.createDatasource(JRJdbcQueryExecuter.java:233)
... 11 more
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请帮助解决这个问题。
您正在观察一种症状。这不是引号的问题。在跟踪中,字符串参数显示为带有双引号。IE
value="20150621235959"
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表示客户端传递了字符串“20150621235959”并且
value=""
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表示客户端传递了一个空字符串“”。导致ORA-12801
根本原因是客户端能够将空字符串传递给数据库。
谓词
action_date BETWEEN date1 and date2
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如果一个或两个日期为 NULL,则不返回任何行。如果您不信任简单运行此查询
-- return nothing
SELECT * FROM dual where sysdate between to_date('','ddmmyyyy') and to_date('','ddmmyyyy');
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如果您知道不会返回任何内容,那么客户端没有必要向数据库发送空字符串。
因此,恕我直言,客户端中应该进行一些验证,强制只接受有效的字符串(至少是正确的长度)。这将解决问题。
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