Problem with http binding and z-wave

Hello,
I’m new to OpenHAB.
I have installed latest stable openHabian on Rpi3 it is fresh install.
Added Http binding, z-way, z-wave, jsonPath (have razzbery installed)
Im trying to get information form link:
http://www.goodwe-power.com/Mobile/GetMyPowerStationById?stationid=5f47e313-e95b-40e8-96f4-f55488ca6a98
… and can’t make it work. It should be simple after reading google and docs…
my items :

String	PV_Power	 "PV Current Power [%s]"	(Solar)	{http="<[http://www.goodwe-power.com/Mobile/GetMyPowerStationById?stationid=5f47e313-e95b-40e8-96f4-f55488ca6a98:30000:JSONPATH($.curpower)]"}

site:

sitemap default label="My heart" {
	Text item=Date 
	Text item=PV_Power icon=energy 
}

on default site in Basic UI I got displayed only:
PV Current Power -

No values :((( should be “0.000kW”

I realy don’t know what to do next. Was trying to write rule to refresh HTTP item … but it should be automatically.
logs:

2017-05-11 22:05:04.165 [ERROR] [ui.internal.items.ItemUIRegistryImpl] - Cannot retrieve item for widget org.eclipse.smarthome.model.sitemap.Text
2017-05-11 22:05:04.167 [ERROR] [ui.internal.items.ItemUIRegistryImpl] - Cannot retrieve item for widget org.eclipse.smarthome.model.sitemap.Text
2017-05-11 22:05:04.169 [ERROR] [ui.internal.items.ItemUIRegistryImpl] - Cannot retrieve item 'Date' for widget org.eclipse.smarthome.model.sitemap.Text
2017-05-11 22:05:04.173 [ERROR] [ui.internal.items.ItemUIRegistryImpl] - Cannot retrieve item 'Date' for widget org.eclipse.smarthome.model.sitemap.Text
2017-05-11 22:05:04.175 [ERROR] [ui.internal.items.ItemUIRegistryImpl] - Cannot retrieve item 'Date' for widget org.eclipse.smarthome.model.sitemap.Text

Z-Wave seams to have problem too. when installig got:

2017-05-11 21:52:50.365 [INFO ] [basic.internal.servlet.WebAppServlet] - Stopped Basic UI
2017-05-11 21:52:51.419 [ERROR] [org.eclipse.smarthome.io.rest.sse   ] - FrameworkEvent ERROR - org.eclipse.smarthome.io.rest.sse
org.osgi.framework.BundleException: Exception in org.eclipse.smarthome.io.rest.sse.internal.SseActivator.start() of bundle org.eclipse.smarthome.io.rest.sse.
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:792)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.Module.doStart(Module.java:571)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.Module.start(Module.java:439)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer.applyDelta(ModuleContainer.java:717)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer.resolveAndApply(ModuleContainer.java:491)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer.resolve(ModuleContainer.java:437)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer.refresh(ModuleContainer.java:955)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer$ContainerWiring.dispatchEvent(ModuleContainer.java:1336)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer$ContainerWiring.dispatchEvent(ModuleContainer.java:1)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
Caused by: java.lang.LinkageError: ClassCastException: attempting to castbundleresource://22.fwk3177100/javax/ws/rs/ext/RuntimeDelegate.class to bundleresource://22.fwk3177100/javax/ws/rs/ext/RuntimeDelegate.class
	at javax.ws.rs.ext.RuntimeDelegate.findDelegate(RuntimeDelegate.java:146)
	at javax.ws.rs.ext.RuntimeDelegate.getInstance(RuntimeDelegate.java:120)
	at javax.ws.rs.core.MediaType.valueOf(MediaType.java:179)
	at org.glassfish.jersey.media.sse.SseFeature.<clinit>(SseFeature.java:62)
	at org.eclipse.smarthome.io.rest.sse.internal.SseActivator.start(SseActivator.java:44)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_121]
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	... 14 more
2017-05-11 21:52:52.093 [INFO ] [basic.internal.servlet.WebAppServlet] - Started Basic UI at /basicui/app
2017-05-11 21:52:52.455 [ERROR] [core.karaf.internal.FeatureInstaller] - Failed installing 'openhab-binding-zway': Error restarting bundles
2017-05-11 21:53:05.014 [ERROR] [ntime.internal.engine.ExecuteRuleJob] - Error during the execution of rule aaa: The argument 'command' must not be null or empty.
2017-05-11 21:53:41.228 [INFO ] [basic.internal.servlet.WebAppServlet] - Stopped Basic UI
2017-05-11 21:53:43.261 [ERROR] [org.eclipse.smarthome.io.rest.sse   ] - FrameworkEvent ERROR - org.eclipse.smarthome.io.rest.sse
org.osgi.framework.BundleException: Exception in org.eclipse.smarthome.io.rest.sse.internal.SseActivator.start() of bundle org.eclipse.smarthome.io.rest.sse.
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:792)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.internal.framework.BundleContextImpl.start(BundleContextImpl.java:721)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.internal.framework.EquinoxBundle.startWorker0(EquinoxBundle.java:941)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.internal.framework.EquinoxBundle$EquinoxModule.startWorker(EquinoxBundle.java:318)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.Module.doStart(Module.java:571)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.Module.start(Module.java:439)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.framework.util.SecureAction.start(SecureAction.java:454)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer.applyDelta(ModuleContainer.java:717)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer.resolveAndApply(ModuleContainer.java:491)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer.resolve(ModuleContainer.java:437)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer.refresh(ModuleContainer.java:955)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer$ContainerWiring.dispatchEvent(ModuleContainer.java:1336)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.container.ModuleContainer$ContainerWiring.dispatchEvent(ModuleContainer.java:1)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.framework.eventmgr.EventManager$EventThread.run(EventManager.java:340)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
Caused by: java.lang.LinkageError: ClassCastException: attempting to castbundleresource://22.fwk3177100/javax/ws/rs/ext/RuntimeDelegate.class to bundleresource://22.fwk3177100/javax/ws/rs/ext/RuntimeDelegate.class
	at javax.ws.rs.ext.RuntimeDelegate.findDelegate(RuntimeDelegate.java:146)
	at javax.ws.rs.ext.RuntimeDelegate.getInstance(RuntimeDelegate.java:120)
	at javax.ws.rs.core.MediaType.valueOf(MediaType.java:179)
	at org.glassfish.jersey.media.sse.SseFeature.<clinit>(SseFeature.java:62)
	at org.eclipse.smarthome.io.rest.sse.internal.SseActivator.start(SseActivator.java:44)
	at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:771)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at org.eclipse.osgi.internal.framework.BundleContextImpl$3.run(BundleContextImpl.java:1)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	at java.security.AccessController.doPrivileged(Native Method)[:1.8.0_121]
	at org.eclipse.osgi.internal.framework.BundleContextImpl.startActivator(BundleContextImpl.java:764)[org.eclipse.osgi-3.10.101.v20150820-1432.jar:]
	... 14 more

Any help would be much welcome
Regards
Jacek

Hello again,
I manage to resolve http issue … retry time was to big… 30000 -> 3000. Still something is wrong with z-wave …
but errors “Cannot retrieve item for widget …” still logs

hi Resor,

until 2 months ago your approach for getting goodwe solar data was working.

now my epower and eday only give 0. i noticed goodwe is changed to sems portal.

any suggestions to get data from goodwe inverter again.