java.lang.NullPointerException: null

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java.lang.NullPointerException: null
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1158)
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:999)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream0(HttpURLConnection.java:1283)
at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1258)
at com.my.company.HttpClient.writeRequestBodyToOutputStream(HttpClient.java:152)
at com.my.company.HttpClient.sendRequest(HttpClient.java:52)
at com.my.company.JsonClient.sendHttpRequest(JsonClient.java:187)
at com.my.company.JsonClient.postRequest(JsonClient.java:92)
at com.my.company.JsonClient.postRequest(JsonClient.java:86)
at com.my.company.DoMagicServiceProxy.sendRequest(DoMagicServiceProxy.java:59)
at com.my.company.DoMagicServiceProxy.submitDoMagic(DoMagicServiceProxy.java:48)
at com.my.company.DoMagicQueueSender$2.process(DoMagicQueueSender.java:108)

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