About

Click an employee name to show that employees reports, peers, and management. This demonstration highlights the SQL CONNECT BY syntax.

Employee Name
Level
Job
Salary
Commission
City
Country
Empno
Mgr
Directs
Total Reports
King1President5000-New YorkUnited States7839-488
    Baker2Manager3300-MontrealCanada700178391429
    Jones2Manager2975-DallasUnited States75667839536
    Blake2Manager2851-ChicagoUnited States7698783955
    Clark2Manager2450-New YorkUnited States77827839314
1 - 5

Internal Server Error

500 - Internal Server Error

Request Path passes syntax validation
Mapping request to database pool: PoolMap [_poolName=apex, _regex=null, _workspaceIdentifier=null, _failed=false, _lastUpdate=-1, _template=null, _type=REGEX]
Applied database connection info
Attempting to process with PL/SQL Gateway
==== Processing Request: ====
GET /apex/f?p=4600:14:179022639170::NO:::
==== Headers in Request ====
accept: */*
user-agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
accept-encoding: gzip, br, zstd, deflate
referer: http://reconquistatramites.gov.ar:9095/apex/f?p=4600%3A14%3A8571502956527%3A%3ANO%3A%3A%3A
cookie: ORA_WWV_USER_63113586886954=ORA_WWV-hAbdvrqJ2t2sM18d2IW9jyWO
host: reconquistatramites.gov.ar:9095
==== Cookies in Request ====
ORA_WWV_USER_63113586886954 =  ORA_WWV-hAbdvrqJ2t2sM18d2IW9jyWO
request parameter: p=4600:14:179022639170::NO:::
isValidRequest(), procedure name: 
Validating: f
*** Total number of arguments: 15
SID: 283
Parse: 0 ms
-----
begin 
 f(p=>?);
commit;
  end;
*** Total number of arguments: 15
{p=4600:14:179022639170::NO:::}
p=4600:14:179022639170::NO:::
p= 4600:14:179022639170::NO:::
Exec: 278 ms
Got results length: 28242
==== Headers from Results ====
Setting Content-Type (Content-type): text/html; charset=utf-8
Adding X-Frame-Options: DENY
Adding X-DB-Content-length: 28242
Processed PL/SQL Gateway request

WebException [statusCode=500]
	at oracle.dbtools.rt.web.WebException.webException(WebException.java:343)
	at oracle.dbtools.rt.web.WebException.internalError(WebException.java:262)
	at oracle.dbtools.rt.web.WebErrorResponse.internalError(WebErrorResponse.java:101)
	at oracle.dbtools.rt.web.WebErrorResponse.error(WebErrorResponse.java:75)
	at oracle.dbtools.rt.web.HttpEndpointBase.service(HttpEndpointBase.java:132)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.util.ConcurrentModificationException
	at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
	at java.util.AbstractList$Itr.next(AbstractList.java:343)
	at java.util.Collections.sort(Collections.java:120)
	at oracle.dbtools.apex.statistics.Statistics.toString(Statistics.java:227)
	at oracle.dbtools.apex.statistics.Statistics.print(Statistics.java:174)
	at oracle.dbtools.apex.statistics.Statistics.finishRequest(Statistics.java:141)
	at oracle.dbtools.apex.ModApexContext.close(ModApexContext.java:324)
	at oracle.dbtools.common.util.Closeables$2.closeType(Closeables.java:155)
	at oracle.dbtools.common.util.Closeables$2.closeType(Closeables.java:149)
	at oracle.dbtools.common.util.Closeables$BaseCloser.close(Closeables.java:239)
	at oracle.dbtools.common.util.Closeables.close(Closeables.java:97)
	at oracle.dbtools.apex.ModApex.close(ModApex.java:176)
	at oracle.dbtools.apex.ModApex.doGet(ModApex.java:101)
	at oracle.dbtools.apex.ModApex.service(ModApex.java:301)
	at oracle.dbtools.rt.web.HttpEndpointBase.modApex(HttpEndpointBase.java:347)
	at oracle.dbtools.rt.web.HttpEndpointBase.service(HttpEndpointBase.java:130)
	... 13 more