我正在尝试将两个实体与 JPA 关联起来,当我运行该项目时,不会抛出错误,但是当我请求获得社区领袖投票者的方法时,我收到下一个异常:
java.lang.StackOverflowError: null
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245) ~[gson-2.8.5.jar:na]
at com.google.gson.Gson$FutureTypeAdapter.write(Gson.java:1018) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:97) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:61) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245) ~[gson-2.8.5.jar:na]
at com.google.gson.Gson$FutureTypeAdapter.write(Gson.java:1018) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:97) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.CollectionTypeAdapterFactory$Adapter.write(CollectionTypeAdapterFactory.java:61) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.TypeAdapterRuntimeTypeWrapper.write(TypeAdapterRuntimeTypeWrapper.java:69) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.write(ReflectiveTypeAdapterFactory.java:127) ~[gson-2.8.5.jar:na]
at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.write(ReflectiveTypeAdapterFactory.java:245) ~[gson-2.8.5.jar:na]
at com.google.gson.Gson$FutureTypeAdapter.write(Gson.java:1018) ~[gson-2.8.5.jar:na] …Run Code Online (Sandbox Code Playgroud) 我正在构建一个Web服务,以及一个使用它的Android应用程序.我是通过Eclipse做的.当我在本地运行Web服务器时,我可以从主机的Web浏览器http:// localhost:8888 /进行连接.如何从同一台机器上的模拟器上运行的Android应用程序连接到那个?
我需要将两个表映射到一个类,无法解决这个问题.一张桌子是ROOMS,另一张桌子是TRAINERS.
ROOMS表:
OOC_UNIT_ID NUMBER(6,0)
OOC_START_DT DATE
OOC_START_TM DATE
OOC_DT_MOD DATE
OOC_USER_MOD VARCHAR2(30 BYTE)
OOC_END_DT DATE
OOC_END_TM DATE
OOC_REASON_TX VARCHAR2(250 BYTE)
OOC_RESERVED_FOR VARCHAR2(30 BYTE)
OOC_CLS_ID NUMBER(9,0)
OOC_TIMEFRAME VARCHAR2(1 BYTE)
OOC_WSD_CD VARCHAR2(2 BYTE)
OOC_TEAM_UNIT_ID NUMBER(6,0)
OOC_WSD_ACT_RMAT_ID NUMBER(6,0)
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TRAINERS表:
TRSC_ID NUMBER(9,0) -- generated sequence
TRSC_OOC_UNIT_ID NUMBER(6,0)
TRSC_OOC_START_DT DATE
TRSC_OOC_START_TM DATE
TRSC_OOC_RESERVED_FOR VARCHAR2(30 BYTE)
TRSC_TPOC_ID NUMBER(6,0)
TRSC_DT_CREATED DATE
TRSC_USER_CREATED VARCHAR2(30 BYTE)
TRSC_DT_MOD DATE
TRSC_USER_MOD VARCHAR2(30 BYTE)
TRSC_REMARKS VARCHAR2(250 BYTE)
TRSC_NOSHOW_REASON VARCHAR2(100 BYTE)
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表应该加入OOC_UNIT_ID=TRSC_OOC_UNIT_ID,OOC_START_DT=TRSC_OOC_START_DT和OOC_START_TM=TRSC_OOC_START_TM.
ROOMS表的主键是:OOC_UNIT_ID, OOC_START_DT, OOC_START_TM.TRAINERS表的主键是: …
我有一个分页元素移动到上一页/下一页.我想在它之前显示一个标签,以显示当前和总项目数.例如:
1 - 30的2950 [ < Prev ] [ Next > ]
我不确定如何正确对齐.我还有其他按钮/标签在同一行,并希望所有中间对齐.这是我得到的截图.

而且,我希望它如何出现.

一个有代码证明问题的傻瓜:
http://plnkr.co/edit/SaYpq1ov4MPBCGcAUQVt?p=preview
这是我正在使用的HTML.
<div ng-cloak class="ng-cloak row" style="margin-bottom: 2em;">
<span style="margin-right: 2em;">
<span class="small" style="margin-right: 0.5em;">Folder</span>
<div class="btn-group">
<button type="button" class="btn btn-default">Sent</button>
<button type="button" class="btn btn-default">Outbox</button>
</div>
</span>
... other buttons and labels are the same layout ...
<div class="pull-right">
<span class="small" style="margin-right: 0.5em;">
<strong>1 - 30</strong> of <strong>255</strong>
</span>
<ul class="pagination" style="margin: 0px !important;">
<li><a>«</a></li>
<li><a>»</a></li>
</ul>
</div>
</div>
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