質問編集履歴
1
スタックトレースを追記しました。
title
CHANGED
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File without changes
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body
CHANGED
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@@ -10,6 +10,31 @@
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10
10
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11
11
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```
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12
12
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java.lang.NullPointerException
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13
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+
at rogres.DataAccess2.insertPostgre(DataAccess2.java:17)
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14
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+
at rogres.Sample2.doGet(Sample2.java:30)
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15
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+
at javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
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16
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+
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
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17
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+
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)
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18
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+
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
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19
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+
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
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20
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+
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)
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21
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+
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)
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22
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+
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)
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23
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+
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
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24
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+
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
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25
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+
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)
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26
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+
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
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27
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+
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
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28
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+
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
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29
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+
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)
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30
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+
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1100)
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31
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+
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:687)
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32
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+
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)
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33
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+
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)
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34
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+
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
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35
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+
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
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36
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+
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
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37
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+
at java.lang.Thread.run(Thread.java:745)
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13
38
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```
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14
39
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15
40
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###該当のソースコード
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