Robot Lawn Mowers
without Perimeter
Wires
Skip the buried wires and enjoy smarter lawn care.
Sunseeker Tech robot lawn mowers without perimeter wires use AI navigation, virtual boundaries, obstacle avoidance, and slope-ready traction to keep your yard looking clean with less work.
Products
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data-product="Show error"
data-path="Show error">
 {document.getElementById('error4').style.display = 'block';document.getElementById('toggleError4Btn').innerHTML = 'Hide error';}function hideError4() {document.getElementById('error4').style.display = 'none';document.getElementById('toggleError4Btn').innerHTML = 'Show error';}function toggleError4() {if (document.getElementById('error4').style.display == 'none') {showError4();} else {hideError4();}}</script><a id='toggleError4Btn' onclick='toggleError4()' style='color: red; font-size: 14px; font-family: Arial, Helvetica, sans-serif; font-style: normal; font-variant: normal; font-weight: normal; text-decoration: underline; text-transform: none; cursor: pointer'>Show error</a><div id='error4' style='display: none;'><pre>$FreeMarker template error:
The following has evaluated to null or missing:
==> item.image [in template )
when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----
----
FTL stack trace ("~" means nesting-related):
- Failed at: ${item.image} [in template "templates/web/components/product/plp-product-list.ftl" at line 17, column 70]
----
Java stack trace (for programmers):
----
freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...]
at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134)
at freemarker.core.EvalUtil.coerceModelToTextualCommon(EvalUtil.java:490)
at freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:410)
at freemarker.core.EvalUtil.coerceModelToStringOrMarkup(EvalUtil.java:379)
at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104)
at freemarker.core.DollarVariable.accept(DollarVariable.java:63)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:386)
at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:321)
at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271)
at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:244)
at freemarker.core.Environment.visitIteratorBlock(Environment.java:654)
at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:108)
at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at freemarker.template.Template.process(Template.java:383)
at org.craftercms.engine.freemarker.RenderComponentDirective.processComponentTemplate(RenderComponentDirective.java:293)
at org.craftercms.engine.freemarker.RenderComponentDirective.execute(RenderComponentDirective.java:124)
at freemarker.core.Environment.visit(Environment.java:461)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:101)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeNestedContent(Environment.java:630)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:60)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeNestedContent(Environment.java:630)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:60)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.visit(Environment.java:407)
at freemarker.core.BlockAssignment.accept(BlockAssignment.java:55)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeNestedContent(Environment.java:630)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:60)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.IteratorBlock$IterationContext.executedNestedContentForCollOrSeqListing(IteratorBlock.java:321)
at freemarker.core.IteratorBlock$IterationContext.executeNestedContent(IteratorBlock.java:271)
at freemarker.core.IteratorBlock$IterationContext.accept(IteratorBlock.java:244)
at freemarker.core.Environment.visitIteratorBlock(Environment.java:654)
at freemarker.core.IteratorBlock.acceptWithResult(IteratorBlock.java:108)
at freemarker.core.IteratorBlock.accept(IteratorBlock.java:94)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:386)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:386)
at freemarker.core.Environment.invokeNestedContent(Environment.java:630)
at freemarker.core.BodyInstruction.accept(BodyInstruction.java:60)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.visit(Environment.java:407)
at freemarker.core.BlockAssignment.accept(BlockAssignment.java:55)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:380)
at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886)
at freemarker.core.Environment.invokeMacro(Environment.java:822)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at freemarker.template.Template.process(Template.java:383)
at org.craftercms.engine.freemarker.RenderComponentDirective.processComponentTemplate(RenderComponentDirective.java:293)
at org.craftercms.engine.freemarker.RenderComponentDirective.execute(RenderComponentDirective.java:124)
at freemarker.core.Environment.visit(Environment.java:461)
at freemarker.core.UnifiedCall.accept(UnifiedCall.java:101)
at freemarker.core.Environment.visit(Environment.java:344)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.visit(Environment.java:350)
at freemarker.core.Environment.process(Environment.java:323)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.processTemplate(FreeMarkerView.java:447)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.doRender(FreeMarkerView.java:351)
at org.springframework.web.servlet.view.freemarker.FreeMarkerView.renderMergedTemplateModel(FreeMarkerView.java:302)
at org.springframework.web.servlet.view.AbstractTemplateView.renderMergedOutputModel(AbstractTemplateView.java:181)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314)
at org.craftercms.engine.view.UserAgentAwareCrafterPageView.renderActualView(UserAgentAwareCrafterPageView.java:56)
at org.craftercms.engine.view.CrafterPageView.renderMergedOutputModel(CrafterPageView.java:160)
at org.springframework.web.servlet.view.AbstractView.render(AbstractView.java:314)
at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1437)
at org.springframework.web.servlet.DispatcherServlet.processDispatchResult(DispatcherServlet.java:1168)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1106)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:979)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1014)
at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:903)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:564)
at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:885)
at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:195)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.craftercms.commons.web.AddResponseHeaderFilter.doFilterInternal(AddResponseHeaderFilter.java:62)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.craftercms.engine.scripting.impl.ScriptFilterChainImpl.doFilter(ScriptFilterChainImpl.java:89)
at jakarta.servlet.FilterChain$doFilter.call(Unknown Source)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:176)
at org.kohsuke.groovy.sandbox.GroovyInterceptor.onMethodCall(GroovyInterceptor.java:24)
at org.jenkinsci.plugins.scriptsecurity.sandbox.groovy.SandboxInterceptor.onMethodCall(SandboxInterceptor.java:159)
at org.kohsuke.groovy.sandbox.impl.Checker$1.call(Checker.java:174)
at org.kohsuke.groovy.sandbox.impl.Checker.checkedCall(Checker.java:178)
at Response404Filter.run(Response404Filter.groovy:76)
at org.craftercms.engine.scripting.impl.GroovyScript.execute(GroovyScript.java:68)
at org.craftercms.engine.scripting.impl.ScriptFilterChainImpl.doFilter(ScriptFilterChainImpl.java:79)
at org.craftercms.engine.scripting.impl.ScriptFilter.doFilter(ScriptFilter.java:106)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.security.web.FilterChainProxy.lambda$doFilterInternal$3(FilterChainProxy.java:231)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:365)
at org.craftercms.engine.util.spring.security.ForbiddenUrlsFilter.doFilter(ForbiddenUrlsFilter.java:57)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:117)
at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:83)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:126)
at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:120)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:131)
at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:85)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:179)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:63)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:100)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:150)
at org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:105)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:227)
at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:221)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:107)
at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:93)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:117)
at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87)
at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:374)
at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:233)
at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:191)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.CorsFilter.doFilterInternal(CorsFilter.java:91)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:176)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
at org.craftercms.engine.url.rewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:65)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.craftercms.engine.servlet.filter.SiteContextResolvingFilter.doFilter(SiteContextResolvingFilter.java:77)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.craftercms.commons.http.RequestContextBindingFilter.doFilter(RequestContextBindingFilter.java:78)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:63)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:612)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:394)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:323)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:268)
at org.tuckey.web.filters.urlrewrite.NormalRewrittenUrl.doRewrite(NormalRewrittenUrl.java:233)
at org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:171)
at org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:145)
at org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:92)
at org.craftercms.engine.url.rewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:65)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.craftercms.engine.util.spring.security.NoopFilter.doFilter(NoopFilter.java:28)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.craftercms.engine.servlet.filter.ExceptionHandlingFilter.doFilter(ExceptionHandlingFilter.java:53)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.craftercms.engine.servlet.filter.SiteContextResolvingFilter.doFilter(SiteContextResolvingFilter.java:77)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.craftercms.commons.http.RequestContextBindingFilter.doFilter(RequestContextBindingFilter.java:78)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.apache.logging.log4j.web.Log4jServletFilter.doFilter(Log4jServletFilter.java:70)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.security.web.header.HeaderWriterFilter.doHeadersBefore(HeaderWriterFilter.java:82)
at org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:72)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:101)
at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:362)
at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:278)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:164)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:140)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:116)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)
at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:666)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:344)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:398)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:903)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1740)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1189)
at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:658)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
at java.base/java.lang.Thread.run(Thread.java:1583)
" alt="Show error">
S4
X7
Sunseeker Tech Robot Lawn Mowers With No Perimeter Wires
A clean lawn should not start with digging, wiring, or complicated boundary work. Sunseeker Tech makes robotic mowing easier with wire-free models that create virtual mowing areas and use smart sensing to move through your yard with less guesswork.
For Smaller Everyday Yards
For compact lawns, side yards, and smaller city spaces, the Sunseeker S4 is a strong fit. It uses no boundary wire and no antenna station, making setup simpler from the start. With AI-powered mapping, 3D 360° obstacle avoidance, and smart app control, S4 helps maintain everyday lawns without complicated installation.
For Busy Families and Flexible Spaces
Family yards change often, with play areas, patio furniture, pets, and outdoor routines moving throughout the week. The Sunseeker S4 supports automatic mapping, no-go zones, multi-zone management, and smart path planning, helping you guide where the mower works and where it should avoid. That makes routine mowing easier to fit around real home life.
For Complex Layouts and Narrow Areas
If your lawn has winding paths, trees, narrow passages, or irregular borders, the Sunseeker S4 is designed to move with better awareness. Its AllSense™ 3D Fusion Sensing, AI vision, and precise route planning help the mower understand the yard, reduce messy mowing patterns, and handle more complex layouts without perimeter wires.
For Larger Lawns and Tougher Ground
When your yard is larger, steeper, or more uneven, the Sunseeker X7 brings stronger performance. It supports mowing areas up to 3 acres and uses AONavi™ technology, combining RTK-GNSS and VSLAM for precise positioning. With all-wheel drive, rugged tires, independent front suspension, and slope handling up to 70% / 35°, X7 is built for more demanding terrain.
For Connected Modern Living
Sunseeker Tech robot lawn mowers without perimeter wires fit smoothly into modern lawn care routines. App control, virtual boundaries, scheduling, automatic recharging, rain detection, OTA updates, and smart mowing management help you care for your yard with less hands-on work, whether you are at home, indoors, or busy with the rest of your day.
Sunseeker Tech Robot Lawn Mowers With No Perimeter Wires
A clean lawn should not start with digging, wiring, or complicated boundary work. Sunseeker Tech makes robotic mowing easier with wire-free models that create virtual mowing areas and use smart sensing to move through your yard with less guesswork.
For Smaller Everyday Yards
For compact lawns, side yards, and smaller city spaces, the Sunseeker S4 is a strong fit. It uses no boundary wire and no antenna station, making setup simpler from the start. With AI-powered mapping, 3D 360° obstacle avoidance, and smart app control, S4 helps maintain everyday lawns without complicated installation.
For Busy Families and Flexible Spaces
Family yards change often, with play areas, patio furniture, pets, and outdoor routines moving throughout the week. The Sunseeker S4 supports automatic mapping, no-go zones, multi-zone management, and smart path planning, helping you guide where the mower works and where it should avoid. That makes routine mowing easier to fit around real home life.
For Complex Layouts and Narrow Areas
If your lawn has winding paths, trees, narrow passages, or irregular borders, the Sunseeker S4 is designed to move with better awareness. Its AllSense™ 3D Fusion Sensing, AI vision, and precise route planning help the mower understand the yard, reduce messy mowing patterns, and handle more complex layouts without perimeter wires.
For Larger Lawns and Tougher Ground
When your yard is larger, steeper, or more uneven, the Sunseeker X7 brings stronger performance. It supports mowing areas up to 3 acres and uses AONavi™ technology, combining RTK-GNSS and VSLAM for precise positioning. With all-wheel drive, rugged tires, independent front suspension, and slope handling up to 70% / 35°, X7 is built for more demanding terrain.
For Connected Modern Living
Sunseeker Tech robot lawn mowers without perimeter wires fit smoothly into modern lawn care routines. App control, virtual boundaries, scheduling, automatic recharging, rain detection, OTA updates, and smart mowing management help you care for your yard with less hands-on work, whether you are at home, indoors, or busy with the rest of your day.
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