Unsupported major.minor version

 当你在编译Java时,遇到Unsupported major.minor version类似如下问题提示:

Unsupported major.minor version 50.0
Unsupported major.minor version 49.0
Unsupported major.minor version 48.0

均属于Java版本问题(注意一下自己的系统环境变量的设置问题,可能高版本的被低版本的覆盖了),即JDK版本过低,只要选择相对应的JDK版本编译即可。
48,49,50是Java编译器内部的版本号

Unsupported major.minor version 50.0 对应要使用 JDK1.6(JRE1.6)
Unsupported major.minor version 49.0 对应要使用 JDK1.5(JRE1.5)
Unsupported major.minor version 48.0 对应要使用 JDK1.4(JRE1.4)

问题解决方法就是重新用老的JDK编译,并在老的JDK环境下(包括修改JAVA_HOME,PATH,CLASSPATH)运行(可能造成Web应用程序失败),JDK版本的不兼容给所有的Java开发人员带来了很多麻烦
GetCapabilities Description: This method has been replaced by the more generic GetServices method. For capabilities of individual services refer to the GetServiceCapabilities methods. SOAP action: http://www.onvif.org/ver10/device/wsdl/GetCapabilities Input: [GetCapabilities] Category - optional, unbounded; [CapabilityCategory] List of categories to retrieve capability information on. - enum { 'All', 'Analytics', 'Device', 'Events', 'Imaging', 'Media', 'PTZ' } Output: [GetCapabilitiesResponse] Capabilities [Capabilities] Capability information. Analytics - optional; [AnalyticsCapabilities] Analytics capabilities XAddr [anyURI] Analytics service URI. RuleSupport [boolean] Indicates whether or not rules are supported. AnalyticsModuleSupport [boolean] Indicates whether or not modules are supported. Device - optional; [DeviceCapabilities] Device capabilities XAddr [anyURI] Device service URI. Network - optional; [NetworkCapabilities] Network capabilities. IPFilter - optional; [boolean] Indicates whether or not IP filtering is supported. ZeroConfiguration - optional; [boolean] Indicates whether or not zeroconf is supported. IPVersion6 - optional; [boolean] Indicates whether or not IPv6 is supported. DynDNS - optional; [boolean] Indicates whether or not is supported. Extension - optional; [NetworkCapabilitiesExtension] Dot11Configuration - optional; [boolean] Extension - optional; [NetworkCapabilitiesExtension2] System - optional; [SystemCapabilities] System capabilities. DiscoveryResolve [boolean] Indicates whether or not WS Discovery resolve requests are supported. DiscoveryBye [boolean] Indicates whether or not WS-Discovery Bye is supported. RemoteDiscovery [boolean] Indicates whether or not remote discovery is supported. SystemBackup [boolean] Indicates whether or not system backup is supported. SystemLogging [boolean] Indicates whether or not system logging is supported. FirmwareUpgrade [boolean] Indicates whether or not firmware upgrade is supported. SupportedVersions - unbounded; [OnvifVersion] Indicates supported ONVIF version(s). Major [int] Major version number. Minor [int] Two digit minor version number. If major version number is less than "16", X.0.1 maps to "01" and X.2.1 maps to "21" where X stands for Major version number. Otherwise, minor number is month of release, such as "06" for June. Extension - optional; [SystemCapabilitiesExtension] HttpFirmwareUpgrade - optional; [boolean] HttpSystemBackup - optional; [boolean] HttpSystemLogging - optional; [boolean] HttpSupportInformation - optional; [boolean] Extension - optional; [SystemCapabilitiesExtension2] IO - optional; [IOCapabilities] I/O capabilities. InputConnectors - optional; [int] Number of input connectors. RelayOutputs - optional; [int] Number of relay outputs. Extension - optional; [IOCapabilitiesExtension] Auxiliary - optional; [boolean] AuxiliaryCommands - optional, unbounded; [AuxiliaryData] Extension [IOCapabilitiesExtension2] Security - optional; [SecurityCapabilities] Security capabilities. TLS1.1 [boolean] Indicates whether or not TLS 1.1 is supported. TLS1.2 [boolean] Indicates whether or not TLS 1.2 is supported. OnboardKeyGeneration [boolean] Indicates whether or not onboard key generation is supported. AccessPolicyConfig [boolean] Indicates whether or not access policy configuration is supported. X.509Token [boolean] Indicates whether or not WS-Security X.509 token is supported. SAMLToken [boolean] Indicates whether or not WS-Security SAML token is supported. KerberosToken [boolean] Indicates whether or not WS-Security Kerberos token is supported. RELToken [boolean] Indicates whether or not WS-Security REL token is supported. Extension - optional; [SecurityCapabilitiesExtension] TLS1.0 [boolean] Extension - optional; [SecurityCapabilitiesExtension2] Dot1X [boolean] SupportedEAPMethod - optional, unbounded; [int] EAP Methods supported by the device. The int values refer to the IANA EAP Registry. RemoteUserHandling [boolean] Extension - optional; [DeviceCapabilitiesExtension] Events - optional; [EventCapabilities] Event capabilities XAddr [anyURI] Event service URI. WSSubscriptionPolicySupport [boolean] Indicates whether or not WS Subscription policy is supported. WSPullPointSupport [boolean] Indicates whether or not WS Pull Point is supported. WSPausableSubscriptionManagerInterfaceSupport [boolean] Indicates whether or not WS Pausable Subscription Manager Interface is supported. Imaging - optional; [ImagingCapabilities] Imaging capabilities XAddr [anyURI] Imaging service URI. Media - optional; [MediaCapabilities] Media capabilities XAddr [anyURI] Media service URI. StreamingCapabilities [RealTimeStreamingCapabilities] Streaming capabilities. RTPMulticast - optional; [boolean] Indicates whether or not RTP multicast is supported. RTP_TCP - optional; [boolean] Indicates whether or not RTP over TCP is supported. RTP_RTSP_TCP - optional; [boolean] Indicates whether or not RTP/RTSP/TCP is supported. Extension - optional; [RealTimeStreamingCapabilitiesExtension] Extension - optional; [MediaCapabilitiesExtension] ProfileCapabilities [ProfileCapabilities] MaximumNumberOfProfiles [int] Maximum number of profiles. PTZ - optional; [PTZCapabilities] PTZ capabilities XAddr [anyURI] PTZ service URI. Extension - optional; [CapabilitiesExtension] DeviceIO - optional; [DeviceIOCapabilities] XAddr [anyURI] VideoSources [int] VideoOutputs [int] AudioSources [int] AudioOutputs [int] RelayOutputs [int] Display - optional; [DisplayCapabilities] XAddr [anyURI] FixedLayout [boolean] Indication that the SetLayout command supports only predefined layouts. Recording - optional; [RecordingCapabilities] XAddr [anyURI] ReceiverSource [boolean] MediaProfileSource [boolean] DynamicRecordings [boolean] DynamicTracks [boolean] MaxStringLength [int] Search - optional; [SearchCapabilities] XAddr [anyURI] MetadataSearch [boolean] Replay - optional; [ReplayCapabilities] XAddr [anyURI] The address of the replay service. Receiver - optional; [ReceiverCapabilities] XAddr [anyURI] The address of the receiver service. RTP_Multicast [boolean] Indicates whether the device can receive RTP multicast streams. RTP_TCP [boolean] Indicates whether the device can receive RTP/TCP streams RTP_RTSP_TCP [boolean] Indicates whether the device can receive RTP/RTSP/TCP streams. SupportedReceivers [int] The maximum number of receivers supported by the device. MaximumRTSPURILength [int] The maximum allowed length for RTSP URIs. AnalyticsDevice - optional; [AnalyticsDeviceCapabilities] XAddr [anyURI] RuleSupport - optional; [boolean] Obsolete property. Extension - optional; [AnalyticsDeviceExtension] Extensions - optional; [CapabilitiesExtension2]这个接口该怎么回复一个支持media2的报文
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