[英]Exchange webservice error: the request failed. null
我正在使用 EWS-java-api 訪問 Outlook 電子郵件並閱讀電子郵件。 我遇到以下錯誤:
microsoft.exchange.webservices.data.core.exception.service.remote.ServiceRequestException: The request failed. null
這是我的代碼:
import microsoft.exchange.webservices.data.core.ExchangeService;
import microsoft.exchange.webservices.data.core.enumeration.misc.ExchangeVersion;
import microsoft.exchange.webservices.data.core.enumeration.property.WellKnownFolderName;
import microsoft.exchange.webservices.data.core.service.item.Item;
import microsoft.exchange.webservices.data.credential.WebCredentials;
import microsoft.exchange.webservices.data.search.FindItemsResults;
import microsoft.exchange.webservices.data.search.ItemView;
import microsoft.exchange.webservices.data.search.filter.SearchFilter;
import java.util.Calendar;
import java.util.Date;
import java.util.Properties;
Properties properties = new Properties();
properties.put("javax.net.ssl.trustStore", "C:/Users/<path to java security>/cacerts" );
properties.put("javax.net.ssl.trustStorePassword","changeit");
System.setProperties(properties);
service = new ExchangeService(ExchangeVersion.Exchange2010_SP2);
def usr = "abc@mycompany.ca";
def pwd = "password";
def url = "https://mycompanydomain/ews/exchange.asmx";
service = new ExchangeService(ExchangeVersion.Exchange2010_SP2);
credentials = new WebCredentials(usr, pwd);
service.setCredentials(credentials);
try {
service.setUrl(new URI(url));
service.setTraceEnabled(true);
Calendar cal = Calendar.getInstance();
cal.roll(Calendar.MONTH, false);
view = new ItemView(50);
findResults = service.findItems(WellKnownFolderName.Inbox, view);
for(item in findResults.getItems()) {
println("\n + email is: "+item+ "\n") ;
}
} catch (Exception e) {
e.printStackTrace();
}
這是完整的堆棧跟蹤:
15:32:13 [INFO] ScriptProcessor starts processing...
microsoft.exchange.webservices.data.core.exception.service.remote.ServiceRequestException: The request failed. null
15:32:14 [INFO] ScriptProcessor processor executed in 889ms.
at microsoft.exchange.webservices.data.core.request.SimpleServiceRequestBase.internalExecute(SimpleServiceRequestBase.java:74)
at microsoft.exchange.webservices.data.core.request.MultiResponseServiceRequest.execute(MultiResponseServiceRequest.java:158)
at microsoft.exchange.webservices.data.core.ExchangeService.findItems(ExchangeService.java:985)
at microsoft.exchange.webservices.data.core.ExchangeService.findItems(ExchangeService.java:1028)
at microsoft.exchange.webservices.data.core.ExchangeService.findItems(ExchangeService.java:1104)
at microsoft.exchange.webservices.data.core.ExchangeService$findItems$0.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:113)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:133)
at Script1.run(Script1.groovy:54)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:585)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:623)
at groovy.lang.GroovyShell.evaluate(GroovyShell.java:594)
at org.webharvest.runtime.scripting.GroovyScriptEngine.eval(GroovyScriptEngine.java:136)
at org.webharvest.runtime.processors.ScriptProcessor.execute(ScriptProcessor.java:74)
at org.webharvest.runtime.processors.BaseProcessor.run(BaseProcessor.java:127)
at org.webharvest.runtime.Scraper.execute(Scraper.java:169)
at org.webharvest.runtime.Scraper.execute(Scraper.java:182)
at com.freedomoss.crowdcontrol.webharvest.executor.LocalWebharvestTaskExecutor.executeWebHarvestTask(LocalWebharvestTaskExecutor.java:182)
at com.workfusion.studio.launch.SingleThreadWebHarvestProcess.processTaskInputs(SingleThreadWebHarvestProcess.java:77)
at com.workfusion.studio.launch.SingleThreadWebHarvestProcess.start(SingleThreadWebHarvestProcess.java:46)
at com.workfusion.studio.launch.WebHarvestMainLauncher.launch(WebHarvestMainLauncher.java:79)
at com.workfusion.studio.launch.WebHarvestMainLauncher.main(WebHarvestMainLauncher.java:121)
Caused by: java.lang.NullPointerException
at com.ctc.wstx.sw.BaseStreamWriter.writeCharacters(BaseStreamWriter.java:447)
at microsoft.exchange.webservices.data.core.EwsUtilities.formatLogMessage(EwsUtilities.java:558)
at microsoft.exchange.webservices.data.core.ExchangeServiceBase.traceHttpRequestHeaders(ExchangeServiceBase.java:515)
at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.buildEwsHttpWebRequest(ServiceRequestBase.java:686)
at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.buildEwsHttpWebRequest(ServiceRequestBase.java:665)
at microsoft.exchange.webservices.data.core.request.ServiceRequestBase.validateAndEmitRequest(ServiceRequestBase.java:635)
at microsoft.exchange.webservices.data.core.request.SimpleServiceRequestBase.internalExecute(SimpleServiceRequestBase.java:62)
... 22 more
非常感謝任何幫助。
我在設置服務 url 時遇到了同樣的問題,所以我首先通過設置憑據和設置自動發現來完成
發生這種情況時,系統會提示用戶接受或不接受重定向,而不是失敗。 該功能需要在 autodiscoverRedirectionUrlValidationCallback 方法中實現。 在下面的示例中,它只檢查重定向 url 是否以“https://”開頭。 為了實現這一點
static class RedirectionUrlCallback implements IAutodiscoverRedirectionUrl {
public boolean autodiscoverRedirectionUrlValidationCallback(
String redirectionUrl) {
return redirectionUrl.toLowerCase().startsWith("https://");
}
}
現在
service.autodiscoverUrl("<your_email_address>", new RedirectionUrlCallback());
可以調用以安全的方式處理重定向。
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